Answer:
7. frigid zone
11. Tropical Rain Forest
21. biological diversity
Explanation:
How do genetics play a role in evolution?
A few of these characteristics are favourable and are called as beneficial mutations which provide a better survival benefit to changing surroundings. Evolution of a new class of species altogether occurs when a permanent change takes place in the phenotype of an entity as a result of natural selection and competition when an environment continues to stay for longer durations incorporating better-adapted entities.
Gene mutations cause the evolution we observe. It causes a change either in the organization or amount of genetic material in a cell. Such a mutation if occurred in a gamete can be easily inherited by the emerging gamete. New alleles of genes are produced as a result of mutations and hence the variations between entities. Therefore, genes and genetic mutations play a significant role in the process of evolution.
Burning fossil fuels involves releasing carbon dioxide and other greenhouse gases into the atmosphere at a rate that is much faster than the carbon cycle can remove it.
Is the previous statement true or false?
Answer:
true
Explanation:
because the energy that comes from burning fossil fuels is converted into electricity and heat in power plants. When fossils are burned, carbon and hydrogen react with oxygen to produce carbon dioxide (CO2) and water (H2O) during this reaction heat is produced
What additional procedure must be done to indicate glucose is present?
The additional procedure that must be done to indicate the presence of glucose, and its level, is the blood glucose test, using devices that measure the consent of glucose in the blood.
What is a blood glucose test?
The capillary blood glucose test is done with the aim of checking blood sugar levels at a certain time of the day and for this a blood glucose device must be used that performs the analysis of a small drop of blood that is taken from the fingertip.
With this information, we can conclude that he additional procedure that must be done to indicate the presence of glucose, and its level, is the blood glucose test, using devices that measure the consent of glucose in the blood.
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this is important right answers only
Which biome has the lowest temperatures?
A. Grassland
B. Desert
C. Taiga
D. Tundra
Answer:tundra
Explanation:
it has the coldest climate like Antarctica
If my mom is O positive and my father is O negative (Making me and my brother O.) Would we be positive O or negative O?
Answer:
O negitive
Explanation:
O negitivge is the domanet gene so if a little bit is there it will take over
Answer:
O Negative.
Explanation:
Positive and Negative makes a negative.
Occasionally, newborn babies are born with a yellowing of the skin. What is this condition called, and
what organ may be underdeveloped in these babies?
a. Cyanosis, the kidneys.
b. Jaundice, the liver.
c. Melanosis, the lungs.
d. Vitiligo, the digestive tract.
Answer:
B
Explanation:
jaundice and the liver is the answer to this question
Which prediction most likely describes the location of two of the three cities?
Which prediction most likely describes the location of two of the three cities?
a. City 1 is north of city 3.
b. City 2 is north of city 3.
c. City 3 is north of city 1.
d. City 3 is south of city 2.
Answer:
C. City 3 is north of City 1
Explanation:
City 3 shows cooler temperatures than City 1 throughout the year. This is consistent with North American cities found at northern lattitudes compared to those found further south. Compare Milwaukee, WI (north) with Miami, FL (south).
Cooling the body decreases thyroid hormone release
Cooling the body decreases thyroid hormone release, which in turn decreases metabolic and oxygen consumption rate.
What do you mean by Hormone?Hormone may be defined as a chemical substance synthesized in the body that controls and regulates the activity of certain cells or organs.
Thyroid hormone is responsible for the regulation of metabolism such as energy expenditure, protein metabolism, thermogenesis, etc.
Therefore, cooling the body decreases thyroid hormone release, which in turn decreases metabolic and oxygen consumption rate.
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The geologic time scale began when earth was _____ And goes on until present. It divided earth’s _____ history into ____ _____ _____.
*Fill in the blanks *
Crossing-over results in what observable change in our cells?
a New combinations of alleles
b Gametes that are genetically identical
c Daughter cells that are diploid
Answer:
A
Explanation:
new combinations of alleles from both parents
Crossing-over results in new combinations of alleles in our cells. The correct option is a.
What is crossing over?Crossing over is a process of meiosis in which the chromosomes of similar types line up. One chromosome is from the father and the other is from the mother. The exchange of genetic material across homologous chromosomes is known as crossing-over. It results in new gene combinations on each chromosome.
When cells divide during meiosis, homologous chromosomes are dispersed randomly to daughter cells, while distinct chromosomes segregate independently of one another.
A new combination of alleles results due to crossing over, and it causes variation in offspring.
Therefore, the correct option is a. New combinations of alleles.
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Which factor can decrease the rate of a chemical reaction?
low activation nergy
low temperature
high concentration of enzyme
O high pressure
Answer:
low temperature since there are less molecules with energy greater than activation energy and they posses less energy to collide with each other and change into products.
Explanation:
Why is active transport necessary
for cells?
A. Diffusion is a very slow process.
B. Molecules can only enter the cell through
ports in the membrane.
C. Sometimes molecules can't get through the
cell membrane on their own.
Answer:
B. Molecules can only enter the cell through ports in the membrane.
Explanation:
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Answer:
B. Molecules can only enter the cell through ports in the membrane.
Radioactive decay ___?
A) produces water
B) produces a transformation from one element to another
C) two of the answers
D) none of the above
If the dna triplets is atg-cgt, the trna anticodons are group of answer choices atg-cgt. Uag-cgu. Aug-cgu. Uac-gca
If the dna triplets is atg-cgt, the trna anticodons are Uac-gca.
Are codons triplets of tRNA?The triplet of bases that is complementary to a codon is called an anti-codon the triplet in the mRNA is called the codon and the triplet in the tRNA is called the anti-codon.
Thus, option "D" is correct.
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The first strands of DNA were observed through which microscope?
Answer:
it was tru an electron microscope.
Explanation: need any more help ask me
Select the correct answer. Plants, through the process of photosynthesis, use solar energy to produce the end product glucose. Since energy is used here, what type of reaction is photosynthesis? A. Endergonic reaction B. Exergonic reaction C. Reversible reaction
Since energy is used, the type of reaction photosynthesis is : ( A ) Endergonic reaction
What is Endergonic reaction ?Endergonic reaction is a type of reaction that requires a free energy to continue, since photosynthetic organisms such as green algae require the use of free energy ( solar photons ) to reduce CO₂ and oxidation of H₂O to oxygen.
Therefore we can conclude that photosynthesis is an example of an endergonic reaction.
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A river runs near a town. The river floods the town after heavy rain. The people want to build a dam near the town to solve the flooding problem. A picture shows a town next to a river. There is a dam farther up the river. A lake is behind the dam. Question How will the dam solve the town's problem? Answer options with 4 options A. The dam will reduce the need for electricity. B. The dam will increase the water level of the river. C. The dam will reduce the risk of the river overflowing. D. The dam will store water for towns nearby that have less water.
The dams block water so by the dams blocking the water flow the people down stream get lesser water.
Thus, option "D" is correct.
What are the central idea of "causes and effects of building river dams"?The central idea that organizes the essay is "causes and effects of building river dams", so these two are the major points that the essay needs to talk about, other points may be included only if they are relevant to the topic. Thus, since Jaycee already wrote about the reasons that river dams are built (The causes), the next paragraph should focus on the effects of river dams.
Thus, option "D" is correct.
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What type of fault forms when the hanging wall moves upward past
the footwall?
a. normal fault
b. fault-block mountain
c. .strike-slip fault d. reverse fault
Answer: d (reverse faulting)
Explanation:
In which eukaryotic organelle are various macromolecules broken down and destroyed?.
The Answer:
Lysosome.
Pet stores sell meal worms as food so it is important that they are fed well so the supply does not dwindle. If a pet store wanted to identify the preferred type of food for mealworms what might their investigation look like?
The kind of investigation used in the scenario above will be either primary or secondary investigation.
Why would they use primary or secondary investigation?If they wanted to carry out an investigation from scratch using their own parameters, case-controls, and random sampling from scratch perhaps so they can have control, then that would be the primary investigation.
Secondary investigation on the other hand gleans off information already researched and provided at the primary investigation level.
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Why are senses necessary for behavior?
Answer: Senses are necessary for behavior because behavior is a response to an organism's environment. Without senses, the organism would be unable to sense anything in the environment to react to. Senses tell an organism what to avoid and what to interact with; they guide the organism's decisions. Even organisms with very simple senses have some way to detect changes in the environment that need to be reacted to.
When DNA polymerase is in contact with adenine in the parent strand, what base does it add to the
growing daughter strand?
Answer:
Heterozygous
Explanation:
The polymerase in the parent is Dominent and can mask the recessive allele
Answer:
Cytosine
Explanation:
Which substances contains thylakoids
Answer:
Chlorophyll contains thylakoids.
Carbohydrates act as "ID cards"
for cells. Where are they located?
A.the exterior of cell walls
B.inside of the nucleus
C.attached to the rough ER
D.embedded in the cell membrane
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A. The Exterior of Cell WallsA Drosophila fruit fly cell with 2N = 8 chromosomes-two of each kind- is called
Answer: haploid, diploid) cell
Explanation:
Name the following structure: CH3CH₂CH₂OH A. butanol B. propanol C. ethanol D. methanol
Answer:
B. Propanol. (Propan-1-ol)
Explanation:
Propan-1-ol is a primary alcohol with the formula CH3CH2CH2OH and sometimes represented as PrOH or n-PrOH.
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Which abiotic factors are limiting for habitat and ecosystem development in the marine environment?
Answer:
water flow rate, salinity, acidity, oxygen, light levels, depth, and temperature
Explanation:i learned it
5. Cellular organization means which of the following?
All organisms are multicellular.
All living and nonliving things are made up of at least 1 cell.
O All organisms are made up of at least 1 cell.
An organism must have more than 1 cell to be considered living.
How does lack of moisture affect the habitability of a place?
Answer:
No
Explanation:
Mosturizer components have been tested and they is no evidence of this being a problem to humans
50 pts!!compare the two theories regarding the extinction of dinosaurs. they have all but one point in common. that is
a) food webs collapsed
b)70% of life on earth became extinct
c)earth was nicked from its normal orbit
d)temperature dropped and climate change drastically
Answer:
B: 70% of life on earth became extinct