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SIZIF [17.4K]
3 years ago
14

A group that consists of a common ancestor and all its evolutionary descendants is called a(n)

Biology
2 answers:
alisha [4.7K]3 years ago
7 0

Answer: Option A) Clade

Explanation:

A clade refers to a group of animals or other organisms that have evolved from a common ancestor species. It could have taken several millions of years since the first ancestor lived.

Examples of clade include

- all the birds descended from a common ancestor specie

- all apes descended from a common ancestor specie.

Also, a clade is best identified using a phylogenetic tree.

aksik [14]3 years ago
3 0

Answer: Option A.

Clade

Explanation:

Clade is also called monopyletic group, this is a group that consist of organisms that evolved from a common ancestor and the evolutionary descendants of that ancestor. Examples of clade group are Eutheria, a mammalian clade, Metateria and group of birds who evolve from common ancestors.

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An increase in venous return will _______.
s2008m [1.1K]

Answer:

Increase EDV and therefore, increase stroke volume.

Explanation:

EDV is the volume of blood which filled the ventricle before its contraction while ESV is the volume of blood remain in ventricle after ejection.

When venous return increases, this will increase the pressure on ventricle contraction which can lead to eject of addition blood returned to it.

So, increase in EDV results in an increase of stroke volume (SV).

7 0
3 years ago
Read 2 more answers
Cells use vesicles to transport substances with?
Nuetrik [128]
<span>Vesicles are used to transport items in many different circumstances, so I'm not quite sure how to answer your question. Vesicles are used when transporting to and from the golgi apparatus, also when transporting molecules to lysosomes. They are even used when undergoing exocytosis. Basically, they are used to carry items/molecules/wastes around within cells

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8 0
3 years ago
Suppose that a person takes a fall while hiking and develops tetanus when the pathogen enters through an open wound in their arm
qaws [65]

The tetanus infection is considered to be a Droplet infection.

<h3>What is Tetanus?</h3>

Tetanus is a neurological disease which is characterized by the occurrence of spasms in the muscle.

Tetanus can be caused if initial care does not take place after the wound occurs and therefore, it is very important to immediately take care of the wound.

To treat the wound tetanus immunoglobulin and tetanus toxoids are given to the person, however, it is necessary to give the two injections using different syringes and at different sites, because the immunoglobulin can cause neutralization fo the toxoid.

Thus, this could be the answer.

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4 0
2 years ago
Which advance resulted from the development of a culture technique for muscle cells?
maw [93]
The correct answer would be 

C.) <span>Polio Vaccination.</span>
5 0
3 years ago
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Which carbohydrates are found in our genetic material?
Kisachek [45]

The carbohydrates found in our genetic material are the two sugars deoxyribose and ribose.

Carbohydrates are defined as organic compounds which occur in food and living tissue and include starch, sugars and cellulose. They are composed of hydrogen, oxygen and carbon.

Deoxyribose is a sugar found in the structure of DNA, while the sugar ribose is found in the structure of RNA.

DNA is the molecule that carries the cell's genetic information while RNA is the molecule involved in synthesis of protein using the coded information received from DNA.

Both DNA and RNA are termed as the genetic molecules of life.


7 0
3 years ago
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