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3 years ago

Please help!!!

Biology

1 answer:

OverLord2011 [107]3 years ago

8 0

1.ans

The best explanation of why viruses are not classified by the Linnaean taxonomy is due to C. the Virus can't reproduce outside of a host cell, which means that the host is necessary for its survival and reproduction, and without it cannot live on its own accord, so they are considered non-living, that can't metabolize and undergo the essential reactions of their own.

2.ans

Because both domains are capable of sharing segments of DNA with unrelated organisms which makes genetic classification difficult.

3.ans

It would make it possible to compare that species to other species at a level deeper than outward appearance

The proteins like hemoglobin and enzymes can be studied to see whether organism which are similar in form can also be related to each other. Its differences found in these proteins' amino acid sequences will present how closely or distantly related an organism is to another.

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Answer:

a. They are found in all organisms

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Turtles and leopards all have four limbs and an amnion. True The common ancestor of lamprey and lancelets had a vertebral column

kramer

Answer:

Explanation:

The objective is to conclude if the statements are true or false based on facts.

1) $\text{ Turtles and leopards all have four limbs and an amnion. }$ True

2) $\text{The common ancestor of lamprey and lancelets had a vertebral column. }$ False

This is because their ancestor is a Chordate who doesn't have a vertebral column but a notochord.

3) True

$\text{Frogs are the sister taxa of turtles and leopards because they are more }$

$\text{related to a common ancestor.}$

4) $\text{Leopards and bass are more closely related than turtles and bass}$ False

This is because the bass is a fish that possess some characteristics traits related to an amphibian (turtle) as compared to a mammal(leopard).

5) $\text{The taxon that shares the most recent common ancestor with frogs is the bass.}$ False

The taxa of turtles share a more common ancestor with frogs compared to bass.

6) $\text{Leopards and lancelets have no common ancestor. }$ False

The common distant ancestor for leopards and lancelets is known as Chordates

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