Answer:
False
Explanation:
Like mitosis, meiosis is a form of eukaryotic cell division. However, these two processes distribute genetic material among the resulting daughter cells in very different ways. Mitosis creates two identical daughter cells that each contain the same number of chromosomes as their parent cell. In contrast, meiosis gives rise to four unique daughter cells, each of which has half the number of chromosomes as the parent cell.
Cichlids, a type of fish, were introduced to a lake around 200 years ago. Over the years, the fish have developed into two distinct groups. One group stays in the main lake and the other group resides in the streams that flow into it. Both groups of cichlids breed in the same streams at the same time of year. However, the groups are splitting into two genetically and physically different types of fishes. How would you classify this type of speciation
Answer:
sympatric speciation
Explanation:
Different sympatric species have the same closest ancestor and live in the same area but inhabiting different niches.
The steps for sympatric speciation are:
An ancestral species inhabit a geographic area.With time, different populations of the same species occupy different niches or microhabitats in this general area. As the microhabitats are different, they have different environmental pressures that are acting on each population.These pressures lead to the origin of differences between groups, which need to adapt to each environmentEach population suffers genetic changes due to environmental conditions. These changes are inheritable.With time, these differences drive to the final complete divergence of populations, becoming different species and reproductively isolated.In sympatric speciation, the interruption of genetic flow must be fast, and there must be differences in niches so no species can compete and displace the other species. Speciation occurs in the same distribution area of the original species. The new species originate in a place with no physical barriers but different environmental pressures.
In the exposed example,
The introduced Cichlid fishes 200 years ago → Original species and the common ancestor between the new derivated speciesThe lake → general geographic areaThe main lake and the streams → Microhabitats or niches with different pressures eachThe groups are splitting into two genetically and physically different types of fishes. They do not mate. There is no genetic flow between groups. → Speciation process.Which of mendels generations was allowed to self pollinate
Mendel allowed the F1 generation plants to self-pollinate
Why Mendel allowed the F1 generation plants to self-pollinate?The parent plants in the tests carried by Mendel have recognized as the P (for parent) contemporaries.
The F1 stands for the first filial generation, which was taken on cross-pollinating the parent plants. The F2 holds for the second generation, which is accomplished after self-pollinating the F1 breeding plants.
Thus, Mendel allowed the F1 generation plants to self-pollinate
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hurry I need help this is due in 30 mins
I need help!
What significance does density have for earth?
Answer:
The atmosphere and Earth's interior are layered by density. Gravity pulls more strongly on denser materials so denser materials are at the center of things. Earth's core, at its center, is denser than its crust. The lowest layer of the atmosphere is denser than the upper layer.
A mom, heterozygous for type B blood, has a baby with type AB blood, what possible blood types could the baby's father have?
Select all that apply
O
A
AB
B
Answer:
A
AB
Explanation:
This question involves blood type, which can either be blood type A, B, AB or O in humans. Alleles A (iA) and B (iB) are co-dominant but dominant over allele O (i).
According to this question, a mom who is heterozygous for type B blood i.e. genotype iBi, has a baby with type AB blood. Since the mother contributed the "B" allele, it means that the father contributed the A allele. Only a father with genotype: iAi or iAiA (type A) or iAiB (type AB) can produce such allele.
What effect would building a highway have on an ecosystem?
A) increase in butterfly migration
B) Decrease in destruction of a habitat
C) Increase in carbon dioxide
D) Increase in oxygen
Answer:
C
Explanation:
Building a highway destroys an ecosystem/habitat, so not b. With the ecosystem destroyed there will be a reduced number of trees that produce oxygen, so not d. Now you make an educated guess. If there is a large highway there will be a lot of cars which produce lots of carbon dioxide. No butterflies.
Answer:
Increase in Co2
Explanation:
More vehickes mpre Pollution
. Which stage of the life cycle will occur after the seeds are planted in the soil and watered?
A. pollination
B. fertilization
C. germination
D. seed dispersal
Answer:
c germination...........
The purpose of Phase II in rehabilitation is to control inflammation.
O a. True
O b. False
The correct answer is False.
Explanation
Rehabilitation has three main phases, the first of which is the first response to an injury, so the main objective in this phase is to defend the body against harmful substances, eliminate dead or dying tissue and promote the renewal of normal tissue. as well as alleviating pain, controlling the inflammatory response to injury and protecting the affected anatomical area. So you have to clean the wound, disinfect it, cover it, and in cases where it is required to put ice to reduce inflammation.
In the second phase the recovery of functional losses, so it is necessary to start making small movements in the affected area to reactivate its functions progressively.
The third phase is advanced rehabilitation in which functional training work begins with the aim of strengthening and putting the affected area back in a movement directed towards sports practice.
Therefore, the correct answer is False, because the inflammation control is done in Phase I and not in Phase II.
Oil ____
a.) must be removed from the earth using drills
b.) can be used directly from the ground
c.) is a renewable resource
d.) is the least polluting energy source
Answer: The answer is a
Explanation:
Answer:
oil must be removed from the earth by using drills
Why is it difficult to avoid a tsunami?
Answer:
It is difficult to avoid a tsunami due to it being such a large volume of water that is capable of destroying a large amount of land.
Explanation:
However, even though it is difficult to avoid a tsunami, as they are extremely difficult to predict, there are ways where one can begin to prepare before it hits. One of the ways you can do this is getting to a higher ground far away from inland, avoiding downed power lines, and steering clear of buildings or bridges where large, heavy objects could fall during an aftershock.
Tsunamis are incredibly dangerous, since there is a great chance that if you get caught in one, you can drown. Since tsunamis have little to no warning when they arrive, it is always essential to be prepared when one strikes.
I hope this helped! :)
Use the scenario to answer the question.
A fossil indicates that whales might have started out as small land mammals. This animal was about the size of a wolf
and had a diet of meat and fish. While the fossil has the body of a land animal, its head is shaped like a whale with an
ear bone that is unique to whales
Which statement is likely true about the fossil?
1.It is a transitional fossil that shows causation
2.It is not a transitional fossil, but it shows correlation
3.It is not a transitional fossil, but it shows causation.
4.It is a transitional fossil that shows correlation.
Answer:
(Q1) One variable increases, then the other increases, as well.
Which term would best describe this scenario?
(Answer) positive correlation
(Q2) Which kind of evidence is used by scientists to understand the intermediate states between an ancestral form and that of its descendants?
(Answer) transitional fossils
(Q3) By studying the limbs and fossils of different animals, such as a horse leg and a human leg, scientists have noticed that there are similarities in their bone structures. This is evidence that their bone structures and limbs may have evolved in similar ways.
Which statement is true about this scenario?
(Answer) The scenario is describing a relationship known as correlation.
(Q4) A fossil indicates that whales might have started out as small land mammals. This animal was about the size of a wolf and had a diet of meat and fish. While the fossil has the body of a land animal, its head is shaped like a whale with an ear bone that is unique to whales.
Which statement is likely true about the fossil?
(Answer) It is a transitional fossil that shows correlation.
(Q5) When Charles Darwin published his book On the Origin of Species, he addressed his theory of descent with modification through
(Answer) natural selection.
Explanation:
these are the correct answers for the 2022 school year. i just took the quick check. hope this helps someone <3
According to the scenario option, "4" is correct that It is a transitional fossil that shows correlation.
What is a transitional fossil and why is it important?A transitional fossil is described as a fossil that shows traits common to both ancestral and derived groups.
This is specifically significant when groups are sharply differentiated. They can show how a species might adapt to survive their new circumstances.
Thus, It is a transitional fossil that shows correlation.
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4. In some varieties of camelia, flower color is controlled by codominance. The two alleles are red (R) and white (W). The heterozygous genotype is expressed as red and white.
D. What is the phenotype of a plant with the genotype RR?
E. What is the phenotype of a plant with the genotype WW?
F. What is the phenotype of a plant with the genotype RW?
Answer:
D. Red
E. White
F. Red and white
Explanation:
Co-dominance is a type of non-mendelian inheritance in which the two alleles of a gene are both dominant. Hence, they are both simultaneously expressed in the organisms phenotype.
According to this question, the two alleles (red (R) and white (W)) of a color gene in some varieties of Camelia are codominant. This means that both alleles will be expressed simultaneously in organisms that contain them.
- phenotype of a plant with the genotype RR is RED because only "R" alleles are present.
- phenotype of a plant with the genotype WW is WHITE because only "W" alleles are present.
- phenotype of a plant with the genotype RW will be BOTH RED AND WHITE, because they both phenotypically express themselves.
Explain tectonic movement, how it happens, and what it does over time
Tectonic shift is the movement of the plates that make up Earth's crust. ... As Earth's mantle heated and cooled over many millennia, the outer crust broke up and commenced the plate motion that continues today. The huge continent eventually broke apart, creating new and ever-changing land masses and oceans.
what is name is given to this filtering unit?
Answer:
Each of your kidneys is made up of about a million filtering units called nephrons. Each nephron includes a filter, called the glomerulus, and a tubule. The nephrons work through a two-step process: the glomerulus filters your blood, and the tubule returns needed substances to your blood and removes wastes.
Explanation:
❤️
A mosquito goes through complete metamorphosis. In this life cycle which stage comes after the egg stage?
A. pupa
B. larva
C. adult
D. nymph
Answer:
A.Pupa
Explanation:
The four stages are egg, pupa, larva, and adult. The full life-cycle of a mosquito takes about a month.
Answer:
The correct answer is B. Larva
Explanation:
The 4 stages of the mosquito in order is:
1. Egg
2. Larva
3. Pupa
4. Adult
Hope this helps! Have an awesome day :)
4. The diagram below illustrates the release of chemical A from a human
cell in response to a specific stimulus. Which cell structure plays a direct
role in the release of this chemical from the cell? *
Answer:
The cell membrane
Explanation:
I'm majoring in Biology
Cell membrane plays a direct role in the release of this chemical from the cell. The correct option is 4.
What is stimulus?A stimulus is defined as anything that can cause a physical or behavioral change. Stimuli is the plural of stimulus. External or internal stimuli can be used.
Your body's response to medicine is an example of external stimuli. Internal stimuli include changes in vital signs caused by changes in the body.
A stimulus is a detectable change in the physical or chemical structure of an organism's internal or external environment in physiology.
Sensitivity refers to an organism's or organ's ability to detect external stimuli and respond appropriately.
The diagram depicts a human cell's release of chemical A in response to a specific stimulus. The cell membrane directly influences the release of this chemical from the cell.
Thus, the correct option is 4.
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Your question seems incomplete, the complete question is attached below:
what is the impact of not having personal goals.
Answer:
The Future is Stagnant. When your goals are poorly thought out, the path to the future becomes muddled. ...
Productivity is Wasted & Markers of Success Are Skewed. ...
Work Becomes Frustrating. ...
Creativity Suffers
Explanation:
Name three functions of the hormone epinephrine.
Answer: See explanation
Explanation:
Epinephrine is also referred to as Adrenaline and it is formed in the medulla oblaganta by adrenal glands and neurons. Some of it's functions include:
1. To help increase the cardiac output.
2. It is vital for respiration as it speeds up breathing.
3. To raise the level of glucose in the blood.
4. To increase the blood pressure by stimulating heart rate.
Which of these factors will increase blood flow?
A) Atheroscleoris
B) High viscosity
C) Vasodilation
D) Vasoconstriction
vasodilation
Explanation:
gets bigger
What changes in the ecosystem will take place during secondary succession A. The flowers will deplete the soil of nutrients in the area will become a desert
Answer:
A
Explanation:
HIV replication requires conversion of the genomic RNA present in the infecting virus to a double stranded DNA that integrates into a human chromosome. Unlike DNA polymerase, HIV reverse transcriptase catalyzes DNA chain elongation from either a DNA or RNA template. Azidothymidine (AZT) was the first effective drug used to inhibit HIV reverse transcriptase and went into clinical use in 1987 to treat AIDS. What best describes how AZT inhibits reverse transcriptase
Answer:
AZT inhibits reverse transcriptase enzyme.
Explanation:
AZT inhibits reverse transcriptase enzyme that is used by the virus to make a DNA copy of its RNA. This Azidothymidine prevent reverse transcriptase enzyme from doing its function properly. Due to absence of this enzyme, the HIV virus is unable to make copies of its DNA and this Azidothymidine stops the life cycle of the virus and slows the growth of AIDS disease so that's why this drug was considered effective against HIV virus and used in the treatment of AIDS disease.
Which is true of electric cars?
Answer:
that they have more problems than other cars because of the engery it uses
hope that helped lowk;)
In starfish, pink boy color(P) is dominant to orange(p) , and thick eyebrows(T) are dominant over thin(t) ones. Patrick , who is In starfish, pink boy color(P) is dominant to orange(p) , and thick eyebrows(T) are dominant over thin(t) ones. Patrick , who is heterozygous for body color but purebred for thick eyebrows , has met Patti , who is recessive for both traits. for body color but purebred for thick eyebrows , has met Patti , who is recessive for both traits. show the cross
Answer:
Explanation:
From the given information;
Pink boy color = P = dominant
orange boy color = p = recessive
Also; for eyebrows:
thick eyebrows (T) is dominant over thin eyebrow t i.e. (recessive)
However, if Patrick = heterozygous for body color i.e. Pp but purebred for thick eyebrow, i.e. TT crosses with;
Patti who's recessive for both traits,
i.e. pp for body color and tt for thin eyebrow.
Then the punnett square cross can be computed as follows:
For Patrick :
Pp × TT = PT PT pT pT
For Patti
pp × tt = pt pt pt pt
PT PT pT pT
pt PpTt PpTt ppTt ppTt
pt PpTt PpTt ppTt ppTt
pt PpTt PpTt ppTt ppTt
pt PpTt PpTt ppTt ppTt
Select the CORAL REEF tab. Click Return to original settings and Restart. Set the White band infection rate to 100%. Click Advance year two times. What do you see?
Answer:
Its first one then third one then last one
Explanation:
Im doing the diagonstic
Due to the tissue loss, a distinct line of bare white skeleton developed, which is how the disease got its name. The reef's food source changes when the corals are removed, changing the species makeup totally.
What is the cause of White band infection?A bacterial condition called the “white plague” is frequently mistaken for coral bleaching. According to recent investigations, the sickness comes in many forms. Corals lose tissue in every situation, exposing their exposed, raw, white skeleton.
Coral illnesses can spread through a variety of routes, including direct contact, water- or vector-borne transmission, and the relative weights of these routes can vary over time and across geographical areas and disease systems.
Therefore, A solid indication that an infection is present is if your band cell count is more than 10%. To identify the underlying cause of your bandemia, your doctor will advise more diagnostic procedures.
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DOES ANYONE KNOW WHAT KIND OF PLANT THIS IS?!?!
Answer:
Dieffenbachia Seguine
Explanation:
Which is an effect of a compromised immune system?
decreased antibody production
improved ability to fight disease
increased lymphocyte production
reduction in pathogens entering the body
Answer:
A: Decreased antibody production
Explanation:
It's the only one that makes sense when you think about it.
Decreased antibody production is an effect of a compromised immune system. So, the correct option is A.
What is an Immune system?The immune system is a complex system of cells, tissues, and organs that cooperate to defend the body against foreign pathogens, including bacteria, viruses, and fungi, as well as other dangerous chemicals. It plays an important role in maintaining the health of the body, by discriminating between foreign invaders and the body's own healthy cells and tissues.
White blood cells of all stripes, including lymphocytes, phagocytes, and natural killer cells, as well as other specialized cells and substances, including antibodies, complement proteins, and cytokines, make up the immune system. Together, these proteins and cells help the body recognize and destroy invading invaders.
Therefore, the correct option is A.
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Explain natural selection using the finches as an
example.
The cladogram shown below describes the evolutionary relationship among several species, labeled A to F. The five dots represent derived characters.
A cladogram includes a line with 5 dots. From bottom to top, the dots are labeled Trait 1 to Trait 5. Branches from the line lead to tips labeled A to F. Labels C and D are at the ends of very short branches off a longer branch.
The cladogram supports which of these predictions about the genomes of the six species?
A. The genome of species E is equally similar to the genomes of species D and F.
B. The genome of species E is more similar to the genome of species F than to any of the other species.
C. The genomes of species C and D are nearly identical because neither species has a derived character.
D. The genomes of the six species share few, if any, DNA sequences.
(You will find the cladogram in the attaches files)
Answer:
C. The genomes of species C and D are nearly identical because neither species has a derived character.
Explanation:
A Cladogram is a tree-type graph based on cladistic analysis. It represents the common ancestral relationships among the involved groups.
The tree-type graph is a ramified diagram that represents the relationship between the involved taxa. The cladistic analysis follows the maximum parsimony criterium. Explains the character state from the point of view of the fewest changes through history. Explains evolution with the minimal amount of evolutive changes. It recognizes the monophyletic groups as natural groups. These groups are the clades, and their classification -sequencing- represents their phylogeny. The sequencing term refers to lists of groups according to their relation. One group is the brother-group of the following one.So the cladogram represents the relationship between groups according to a derived character.
The derivated character is any trait that a group passes to the descendants. Through evolution, the characters change, and new changes are added. When referring to a derivate character, we mean that all the subsequent species in the cladogram carry the trait.
A cladogram provides an image of how new species keep characters that were inherited from older species.
So, in the exposed example, the five dots represent derived characters, representing traits 1 to 5. Branches A to F, represent groups. (See the cladogram in the attached files). Group A inherited trait 1, group B probably still carries trait 1, but also trait 2. Groups C and D equally inherited trait 3. Group E inherited character 4, and finally, group F inherited character 5.
Groups C and D inherited trait 3 and probably also still have traits 1 and 2. So they are very similar to each other. At a certain point, they diverged, probably due to a new mutation that was not passed to the rest of the group.
C. The genomes of species C and D are nearly identical because neither species has a derived character. Correct.
experience with physical therapy.
Answer:
it sucks
Explanation:
Genes are composed of hereditary material. Identify this hereditary material
The hereditary material shown is a chromosome.
Chromosomes
What is a chromosomes ?
A structure found inside the nucleus of a cell. A chromosome is made up of proteins and DNA organized into genes. Each cell normally contains 23 pairs of chromosomes.
What is hereditary material ?
“hereditary” is something that is passed on from parent to offspring, or from a cell to the two new daughter cells during cell division. DNA contains genetic material and we get our genetic material passed on from your parents.
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