The ancestors of elephants inhabited every continent except Antarctica and Australia. But the Asian and African elephants are the only ones to survive. Why?

Answers

Answer 1

Options:

A) Dinosaurs killed all other elephant species.

B) Asian and African elephants killed off other species of elephants.

C) Asian and African elephants adapted well to their environments.

Asian and African elephants adapted well to their environments. Thus, the correct option is C.

Environment of Antarctica is not suitable for elephants why?

The world's coldest location is Antarctica. Additionally, it is the windiest and driest. Almost the entire year, the continent is covered in snow. Due to the extremely harsh temperatures and lack of healthy soil, Antarctica is therefore unsuitable for raising elephants and cultivating crops. Elephants eat grass, while the entire continent of Antarctica is covered in snow. In this database, there are currently 25 (8,17) living elephants located in Australia.

Although they can be found in a variety of environments, including deserts, swamps, and highlands in tropical and subtropical areas of Africa and Asia, they are most frequently found in savannas, grasslands, and woodlands.

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Related Questions

Information collected directly with the senses is

Answers

the answer would be observation

What controls differentiation? Choose the correct answer .

Answers

Gene expression controls differentiation of cells. Details about differentiation can be found below.

What is cell differentiation?

Cell differentiation is a cellular process in which the cells of multicellular organisms advance in organization and acquire special organs for specific purposes.

Cell differentiation is what forms specific cells that are adapted to specific roles in multicellular organisms.

However, this process of differentiation is as a result of the expression of genes at different times, since, all cells of an organism contains the same genes.

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The most powerful fmri tests suggest that the language areas of the cortex are:

Answers

The most powerful fmri tests suggest that the language areas of the cortex are patchy, widespread, and variable.

What is a cortex?

It should be noted that a cortex is the outer or the superficial part of an organ.

In this case, the most powerful fmri tests suggest that the language areas of the cortex are patchy, widespread, and variable.

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What is the function of lysosomes?​

Answers

Answer:

To break down bacteria

Explanation:

Answer:

it contains lytic enzymes that destroy aged and unwanted cell organelles. it sometimes destroys the entire cell.the key point is it destroys aged and unwanted cell organelles.

Ozone consists of _______ molecules of oxygen, is found primarily in the ______ and protects us from ______

Answers

The blank spaces in the task content should be filled with is; Three(3), atmosphere and ultraviolet rays of the sun.

What is Ozone?

Ozone is a trioxygen molecule; contained in the upper atmosphere with a sole aim of protecting biological life against ultraviolet rays of the sun. The ozone layer is however depleted to Oxygen molecule in the lower atmosphere.

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All dna nucleotides contain the same ______, but different ______.

Answers

All DNA nucleotides contain the same deoxyribose and phosphate group, but different bases.

What is a DNA molecule?

DNA is a biological polymer of deoxyribonucleic acid that has four different chemical groups, called bases: adenine, guanine, cytosine, and thymine.

The DNA molecule is made up of monomers called nucleotides, which is made up of the following:

Phosphate groupNucleotide basesFive carbon sugar

The five carbon sugar and phosphate group of a DNA molecule are the same but they possess different nucleotide bases.

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One half-life of a radioactive isotope has passed when:
a. all the parent nuclei have become daughter nuclei.
b. the number of daughter nuclei is twice the number of parent
nuclei.
c. the number of daughter nuclei is half the number of parent nuclei.
d. the numbers of parent and daughter nuclei are equal.

Answers

Answer:

C the number of daughter nuclei is half the number of parent nuclei.

I need help. The four main types of macromolecules found in organisms are carbohydrates, lipids, nucleic acids, and ?

Answers

Answer:

Proteins

Explanation:

These are the carbohydrates, lipids (or fats), proteins, and nucleic acids. All of the major macromolecule classes are similar, in that, they are large polymers that are assembled from small repeating monomer subunits.

Scientists want to track the wind speeds and precipitation for a hurricane that will affect the entire East Coast of the United States. Which weather equipment would be best to measure the impact of the storm for this entire region?
A.
an anemometer
B.
a rain gauge
C.
Doppler Radar
D.
global positioning system (GPS)

Answers

Answer:

Doppler Radar

Explanation:

Doppler radars are considered one of the best tools used for the detection of rainfall in a particular area. These radars work by way of sending beams out in a circular pattern all round the radar. Once a beam hits a hailstone or a raindrop, part of the beam is reflected back towards the radar.

Answer: C.

Doppler Radar

Explanation: ed mentum or plato

10 The table shows the scientific names and the common names of four plants.
scientific name
Althea officinalis
Hottonea palustris
Viola palustris
Viola tricolor

common name
marshmallow
water violet
marsh violet
wild pansy

Which word in their names shows that two of the plants share the greatest number of features?
A marsh
B palustris
C Viola
D violet

Answers

Answer:

A marsh the answer is A

Explanation:

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The word in their names shows that two of the plants share the greatest number of features is marsh. Therefore, option A is correct.

What is marsh ?

A marsh is a type of wetland where herbaceous plant species, not woody ones, predominate. The transition between the aquatic and terrestrial ecosystems is commonly formed by marshes, which are frequently found along the borders of lakes and streams. Grass, rush, or reeds frequently rule over them.

Cattails, sedges, papyrus, and sawgrass are typical examples. Most aquatic creatures, including fish and salamanders, can survive in water with little oxygen.

In a marsh, herbaceous plants make up more than half of the vegetation, and the pH of the soil is neutral. There are fewer than 30% woody plants in the area. Throughout the growth season, a marsh has standing water for extended periods of time.

Thus, option A is correct.

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During exponential growth, which of the following is true?
A) The larger a population, the slower it grows.
B) The larger a population gets, the faster it grows.
C) The size of the population has no effect on the growth of the population.
D) The population rapidly shrinks down to nothing.

Answers

Explanation:


Answer: C. I got it right on my test :) please like

During which phase of the cell is a cells DNA copied

Answers

Explanation:

Hi there!

Cell cycle has 2 phases (i.e M-phase and Inter-phase). Interphase is considered to be the longest phase. Interphase also has G1-phase, S-phase and G2-phase. In cell cycle while moving from M-phase it has two option either to go in G1-phase or G0 phase. It it goes to G0-phase it doesn't go under cell division but if it goes to G1-phase it starts to prepare materials required to replicate or copy DNA. After preparing all the material it goes in S-phase and copies DNA. It doesn't go to G2-phase until it copies DNA perfectly. Then it goes to G2-phase. In this phase it prepares material for replication of other cell organelles.

Therefore, DNA is copied in S-phase.

Hope it helps!

Answer:

S phase (Synthesis phase)

Explanation:

DNA is copied during interphase (S phase) before mitosis and just before meiosis.  Mitosis is usually defined as the usual method of cell division, characterized typically by the resolving of the chromatin of the the nucleus into a threadlike form, which condenses into chromosomes, each of which separates longitudinally into two parts, one part of each chromosome being retained in each of two new cells resulting from the original cell. Meiosis is usually defined as part of the process of gamete formation, consisting of chromosome conjugation and two cell divisions, in the course of which the diploid chromosome number become reduced to the haploid (A single set of chromosomes).  In human, mitosis produces diploid daughter cells which have the same number of chromosomes as the parent cell. Meiosis produces gametes (sperm or egg) which are haploid, meaning these cells have half the number of chromosomes as body cells such as skin cells. DNA is copies using a process called semiconservative replication.

More information:

What is DNA replication? What is its importance?

A double-stranded DNA molecule is duplicated during DNA replication (by a variety of proteins) to create an identical double-stranded DNA molecule (so whereas the cell started with one copy, it ended up with two identical copies). Cell division would not be possible without DNA replication, hence it is crucial. In other words, either one cell would receive all the DNA while the other received none, preventing true cell division, or each cell would receive just half the DNA it requires, preventing the daughter cells from surviving (also leading to death of both daughter cells). DNA replication allows cells to replicate their whole set of DNA so that when they divide, each new cell has its own complete set of DNA. In theory, this allows for endless cell division.

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PLS HELPPP ASAP PLSSSS
The table below shows the role of different substances during photosynthesis.


Substance Role During Photosynthesis
Glucose Stores chemical energy
Water Combines with glucose to form carbon dioxide
Chlorophyll Traps sunlight

Which of the following statements would correct one of the roles listed in the table?
Glucose combines with carbon to form water.

Chlorophyll reacts with light to produce carbon dioxide.

Water combines with carbon dioxide during photosynthesis.

Chlorophyll stores chemical energy needed for photosynthesis.

Answers

“Chlorophyll stores chemical energy needed for photosynthesis” is the answer

The cell membrane is said to be:

Answers

[tex]\huge\mathfrak\red{ANSWER}[/tex]

Semi-Permeable

Explanation is in the pic

Hope it heps

Answer:

The cell membrane is said to be semi-permeable.Explanation:What is meant by a semi-permeable membrane?

✈This is a membrane which allow only certain substances to go in or out of the cell.

The Cell membrane of living cells is said to be a semi permeable membrane.

Hope it helps!

The __________ is also called the gradient and is equal to the change in elevation/distance, which means it changes as the river flows downhill.

Answers

A slope is also called the gradient and is equal to the change in elevation/distance, which means it changes as the river flows downhill.

What is the shift in elevation from a different location called?

The shift in elevation from a different location is called the Contour interval. The shift in a ridge from one contour line to the next is always exact within the identical map.

A slope is effectively the gradient or inclined part of the land. This part of inclination is easily recognized in a hilly area.

Therefore, it is well described above.

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Most transmembrane proteins have ___________ regions facing the intra- and extracellular fluid, and __________ regions embedded in the phospholipid bilayer.

Answers

Most transmembrane proteins have hydrophilic regions facing the intra- and extracellular fluid, and hydrophobic regions embedded in the phospholipid bilayer.

What is transmembrane protein?

Transmembrane proteins are membrane proteins that surrounds the entire entity of the cell connecting both the outside and the inside of the cell.

The hydrophilic regions are the regions that are water loving which faces the intra- and extracellular fluid.

The hydrophobic regions are the regions that repels water and they are found within the phospholipid bilayer.

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A simulation shows whether changing various weather conditions increases
the likelihood that a hurricane will form. Which type of model is this?
• A. It is mathematical.

B. It is physical.
• C. It is conceptual.
O D. It is computer-generated.

Answers

The type of model which shows the transformations of weather conditions that increase the likelihood that a hurricane will form is conceptual. Thus, the correct option is C.

What is Simulation?

Simulation may be defined as a standard that is developed and designed to mimic the function and procedure of a current real-life system or genuine spectacle, so as to improve the knowledge to investigate, examine, and construct reported conclusions about it.

It shows the conceptual model of simulation because it demonstrates the association between the cause and the effect.

In the context of this question, the simulation which shows whether changing diverse weather conditions improves the probability that a hurricane will create is neglected.

Therefore, the correct option for this question is C.

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Submit your air quality report for your area, showing seven days, the air quality color for each day, and each day's major pollutants. This information should have been obtained in the previous lesson. Also, write a one-paragraph explanation of where the pollutants in your area most likely come from. Part 2 Consider the area that you live in. In at least one paragraph, describe how each of the following factors could affect air pollution in your area. If none of them would affect you, explain why. Factors to consider: the presence of urban areas, topography (presence or absence of hills and mountains), summer temperatures, latitude (distance from the equator).

Answers

The amount of ozone and particle concentrations in a given area are influenced by a variety of weather-related factors, therefore the weather can have a significant impact on air quality.

What influences the air's quality?

The quality of the air is influenced by a variety of climate-related elements, including temperatures, cloud cover, humidity, precipitation frequency and intensity, wind patterns, and others.

In India, more than 90% of people live in areas where the air quality is below WHO limits. The biggest sources of pollution are factories, coal-fired power plants, and automobiles.

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The table shows the osmotic potential of a range of sucrose solutions.

Concentration of sucrose/mol dm3
0.30
0.35
0.40
0.45
0.50
0.60

Osmotic potential/kPa
-860
-970
-1120
-1280
-1450
-1800

(a) Analyse the data in the graph and in the table to explain how the osmotic potential of tgese onion cells could be determined.

(b) Explain why the plant tissue was left in sucrose solution for 10 minutes before the cells were observed.

Answers

Explanation:

(b) Explain why the plant tissue was left in sucrose solution for 10 minutes before the cells were observed.

which type of study that a student is doing by exploring the external features of an animal

Answers

Answer:

ethology

Explanation:

I just looked it up

analyze and evaluate whether the examples are likely or not likely to result in differential reproductive success.

answer asap

Answers

The examples that most likely result in differential reproductive success are height, disease-resistant, intelligence level, colorful plumage, etc.

What is Reproductive success?

Reproductive success may be defined as the methodology of the demise of genes to the next generation in a manner that they similarly can pass those genes on to the next generation.

Reproductive success is the outcome of relative fitness which include two parameters such as relative survival and relative reproduction.

Reproductive success is assumed a significant determinant of gatherings that are preferred by the strategy of natural selection.

Therefore, the examples of reproductive success are clearly mentioned above.

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Which activity do you think accounts for the greatest percentage of your own personal water usage?

Answers

Answer: Taking a bath

Explanation:

From my perspective, taking a bath consumes the most water for your personal water usage. Washing your hands only takes little water, and brushing your teeth also only takes a small amount as well. As for other activities, I think they also only take a little. Taking a bath or washing your body takes the most amount, I think.

Based on the number of offspring they produce at one time organisms are classified into two categories many offspring at once and a few at a time sort the characteristics based on the category they describe

Answers

Full question:

Drag each label to the correct location on the chart. Based on the number of offsprings they produce at one time, organisms are classified into two categories many offsprings at once and a few at a time. Sort the characteristics based on the category they describe.

A.Low percentage of offspring reach adulthood,

B.limited parental involvement,

C.High percentage of offspring reach adulthood,

D.Rapid maturation,

E.Parental care observed,

few offspring at once vs many offspring at once.

Answer:

At the same time, there are a few offspring

C. A high proportion of offspring grow up to be adults.

E. Observed parental care,

At the same time, many offspring

A. Only a small fraction of offspring grow up to be adults.

B. minimal parental participation;

D. Rapid maturation.

Few offspring at a time have a high percentage of offspring reaching adulthood. If a large percentage of offspring reach adulthood, the offspring are likely to be few and well cared for.

What is parental care?

Parental care is seen to be unique to only a few offspring at a time. If the parents provide good care to their children, the offspring are likely to be few. It will be easier for the parent organism to care for a small number of children at once.

Many offspring at once have a low percentage of offspring reaching adulthood. Because there are so many kids at once, competition for room and food, as well as a lack of care, only a small percentage of them will reach adulthood.

Many offspring have limited parental participation at the same time. Because there were so many kids at the same time, the competition for parental care among the offspring would be strong. The parents' organism will be unable to care for the large number of children.

Rapid maturation is unique to several offspring at the same time. In order to survive, the organism will have to mature quickly. Due to the large number of children, survival will be determined by the fittest. The ability of the children to mature quickly will be aided by the survival of the fittest trait.

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Which is not a symptom of cystic fibrosis
A lack of ability to strengthen muscles
B trouble digesting food
C thick layer of mucus that can block airways

Answers

I am not sure what is the answer

Answer:

Its A

Explanation:

Lack of ability to strengthen muscles

synergies, in the context of segmentation, are blank______ that can be achieved by focusing on horizontal or vertical lines within the market-product matrix.

Answers

Synergies, in the context of segmentation, are efficiencies that can be achieved by focusing on horizontal or vertical lines within the market-product matrix.

What is a synergy?

A synergy simply means the interaction of organizations to produce a combined effort to achieve a goal.

In this case, synergies, in the context of segmentation, are efficiencies that can be achieved by focusing on horizontal or vertical lines within the market-product matrix.

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Which describes the smallest basic unit of a substance that still displays the properties of that substance? Which describes the smallest basic unit of a substance that still displays the properties of that substance ? ​

Answers

Answer:

Atoms. An atom is the smallest unit of a pure substance or element that can exist and still retain the properties of the original substance or element.

A new allele added to the gene pool provides an advantage. The individual with the allele breeds and passes on the trait to their offspring.

This describes the evolutionary effects of what process?

A. genetic drift
B. gene flow
C. mutation
D. random mating

Answers

I believe the answer is Gene flow

Why was natural selection an important contribution to the theory of evolution?

Answers

Answer:

Natural selection is an important contribution to the theory of evolution because it increases an individual's ability to survive and compete and reproduce.

Explanation:

Please don't answer if you arent 100%
what is the deepest ocean zone called?
a. abyssal
b. intertidal
c. benthic
d. pelagic

Answers

Answer:

Pelagic

Explanation:

The deepest regions of the sea are Hado pelagic

The hadalpelagic zone

The major pathway of communication between the right and left hemispheres is the:.

Answers

The major pathway of communication between the right and left hemisphere is the corpus callosum.

The cerebrum is the recognizable gray covering of the human brain, appearing to comprise the majority of its mass. The cerebral cortex is the wrinkly area; the remainder of the anatomy is hidden behind that layer. The longitudinal fissure, which is a significant gap between the two sides of the cerebrum, exists. It divides the brain into right and left cerebral hemispheres, which are two independent parts. The main channel for communication between the two hemispheres of the cerebral cortex is provided by the white matter of the corpus callosum, which is located deep inside the cerebrum.

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Other Questions
Kaylie assumed the cost of the sales tax on her new (used) vehicle would be around $850. In reality, it was $725. What type of variance does this represent?1. An unfavorable variance of $8502. A favorable variance of $1253. A favorable variance of $8504. An unfavorable variance of $725 Write the inequality shown by the shaded region in the graph with the boundary line y=4x+1. If the bearing of p from y is 048degrees what is the bearing of y from p If a current uses 31 amperes and has a voltage of 110 volts, how many watts does it dissipate? What was the name of the political party that was mainly organized by Americans of Irish descent in San Francisco in order to ban Chinese immigration Reading about criminal trials in newspapers or watching them on television is likely to instill a fear of punishment in people and prevent them from engaging in similar acts of crime. In the context of the goals of punishment, this is an example of __________. I will give brainliest to whoever answers! Read pages 19 and 20 carefully and identify the correct solution.A. HypertonicB. HypotonicC. Isotonic22. Solution A has a salt concentration lower than the salt concentration inside the cell.Solution A is23. If you drink an excess of water your body could become___24. The liquid portion of blood.25. The cells shrink when placed in Solution G. Solution G is26. Water from Solution H moves in and out of the cell at equal rates. Solution His Read the two excerpts."Remembering to Never Forget: Dominican Republic's 'Parsley Massacre by Mark Memmott:Seventy-five years ago, thousands of Haitians were murdered in the Dominican Republic by a brutal dictator. It was one of the 20th Century's least-remembered acts of genocide.As many as 20,000 people are thought to have been killed on orders given by Rafael Trujillo. But the "parsley massacre went mostly unnoticed outside Hispaniola. Even there, many Dominicans never knew about what happened in early October 1937. They were kept in the dark by Trujillo's henchmen."A Genetics of Justice by Julia Alvarez:At this point I would always ask her why she and my father had returned to live in the country if they knew the dictatorship was so bad. And that's when my mother would tell me how, under pressure from his friends up north, Trujillo pretended to be liberalizing his regime. How he invited all exiles back to form political parties. How he announced that he would not be running in the next elections. My father had returned only to discover that the liberalization was a hoax staged so that the regime could keep the goodwill and dollars of the United States.My father and mother were once again trapped in a police state.How do the passages work together to develop a central idea?The passages show how Alvarezs family was affected by the parsley massacres when they returned.The passages show how Alvarez and her family were tricked into returning to the Dominican Republic.The passages show how people often did not know or understand the extent of Trujillos deceit.The passages show how the events of Trujillos dictatorship are still not fully understood today. Karls math class is playing a number game. Each student is given a number card containing the numbers 1 to 6. The rules of the game are that each student must put a cross through two numbers on the card and hand it in to the teacher. The teacher has a bag containing six balls numbered 1 to 6. When all the number cards have been handed in the teacher draws out two balls from the bag. Every student who had chosen the same two numbers shown on the balls wins a prize. If there are 30 students in Karls class, how many students are likely to win a prize? Describe your reasoning Using a standard deck of cards, find the probability of selecting a jack, replacing the card, and then selecting a king.please explain Solve the quadratic equation x2 2x 3 = 0 by completing the square On a coordinate plane, an image has points (negative 2, 2), (0, 2), (2, 0), (0, negative 2), (negative 2, negative 2).Use the image shown and a scale factor of 1/2 to find the pre-image. Which is the pre-image of A? Which sentence best explains how a river formsA. Water from rain, spring, or melting ice Runs along earths surface B. Water covers a large area of land for most of the year C.water from rain, springs, or melting ice fills large depressions D. Water sinks into the ground through a crack in earths surface he gave a book to his brother active and passive Select the correct answer.As part of a community-service project, a local club has decided to paint 864 walls across town. The club has 36 volunteers. If the work is divided evenly, how many walls must each volunteer paint?A. 24B. 29C. 34D. 39 Error Analysis Your classmate says that there is not enough information to determine whether the two triangles below are congruent. Is your classmate correct? Explain. How to calculate Tax Income and Capital Gain? I though this was the help center yall barelly help Can I add [tex]2\sqrt{3} + 5\sqrt{3}[/tex] further?