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timama [110]
2 years ago
15

Two models for the speed of speciation are based on patterns in the fossil record. Which of the following statements describes t

he punctuated equilibrium model of evolution? Natural selection is unimportant as a mechanism of evolution. Most evolution occurs in sympatric populations. Given enough time, most existing species will gradually branch into new species. Species accumulate their unique features rapidly, then change little for the duration of the species.
Biology
1 answer:
harkovskaia [24]2 years ago
3 0

Answer:

This is not correct, don't pick Given enough time, most existing species will gradually branch into new species.

Explanation:

It might be Species accumulate their unique features rapidly, then change little for the duration of the species.

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Biology MCQs please help
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<h2>MCQ:- </h2>

<h3>ANSWER:-</h3>

  1. Tissue
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  3. Must be correct
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<h2>Explanation:- </h2>

(1) Group of cell that work together as one to perform a single function is termed as Tissue . Then the group of tissue combine to form organs and further they combine to organ systems and further they combine to form organ system .

(2) They are unicellular green algae which belongs to family Volvocaceae of the Plantae Kingdom

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8 0
3 years ago
In all cells, separation of replicated chromosomes is a prerequisite for cell division. However, the mechanism of chromosome sep
Ipatiy [6.2K]

1. two copies of the duplicated chromosome are attached at their centromeres before separating

2. chromosomes replicate before cell division

3. chromosome separation begins at the origin of replication on DNA

4. Before separation duplicated chromosomes condense; nuclear envelope fragments permitting chromosome separation

5. replicated chromosomes separate by attaching to some other structural feature of the cell

Explanation:

In the given question, the DNA replication steps of both prokaryotes and eukaryotes are provided in which some are common to both eukaryotes and prokaryotes and some are unique to the prokaryotes and eukaryotes.

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<u>Both </u>

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2. Option-2 as genetic material to be passed on to the generation must be replicated.

6 0
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Which best describes mitochondrial DNA (mtDNA)?
kifflom [539]

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<em>The correct option is C) Mitochondrial DNA can be traced for generations.</em>

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