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lana [24]
3 years ago
14

A certain widely distributed mammalian species remained unchanged for about 30 million years. Most members of this species lived

on a fertile plain, but some members (that were less well adapted) survived in low numbers in the surrounding mountains. They adapted and evolved to this area and became significantly different from their relatives on the plain. A sudden meteorite attack struck the plain and destroyed the plain population. The mountain population was unaffected and as the plain environment recovered moved to the plain. In the absence of competitors, they underwent a very rapid population explosion. Which mode of evolution does this example explain
Biology
2 answers:
Dahasolnce [82]3 years ago
7 0
Punctuated equilibrium is the answer.
sdas [7]3 years ago
5 0
For the answer to the question above, p<span>unctuated equilibrium (also called punctuated equilibria) is a theory in evolutionary biology which proposes that most species will exhibit little net evolutionary change for most of their geological history, remaining in an extended state called stasis. When significant evolutionary change occurs, the theory proposes that it is generally restricted to rare and rapid (on a geologic time scale) events of branching speciation called cladogenesis. Cladogenesis is the process by which a species splits into two distinct species, rather than one species gradually transforming into another.</span>
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Sperm tails in the fruit fly Drosophila bifurca can reach up to 6cm long, which is over 20 times the length of the organism itse
spayn [35]

Explanation:

The length of the sperm in a few species is much larger or giant than the size of the animal-like observed in the <em>Drosophila bifurca. </em>

In this fruit-fly, the tails of the sperm are too long which could be accounted for many reasons:

1. The sexual selection prefers the long tails over the small tail.

2. The large sperms can displace the small sperms in the female reproductive organ.

3. The female reproductive organ increases the promiscuity of the large sperms that is favour the large sperms over the small sperms.

7 0
3 years ago
What is deplasmolysis​
Vsevolod [243]

Answer:

Deplasmolysis swelling of the cytoplasm of a plasmolyzed cell : reversal of plasmolysis.

Explanation:

4 0
3 years ago
Most atp in cellular respiration is regenerated in substrate level phosphorylation. most atp in cellular respiration is regenera
algol [13]

Answer: False

In cellular respiration, <span>organic molecules are break down and it uses an electron transport chain for the production of ATP through oxidative phosphorylation. Here, the hydrogen ions are pumped into the mitochondrial intermembrane space and they flow back through ATP synthase that produces most of the ATP associated with cellular respiration.</span><span>


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5 0
3 years ago
dogs once covered the expanses of the Great Plains. Their grazing made the grass more nutritious for the huge herds of bison, an
AysviL [449]

Answer:

The correct option is D, that is, THEIR FUNDAMENTAL NICHE HAS BEEN COMPROMISED.

Explanation:

From the information given in the question, we are told that the expanses of the Great Plains, which was once occupied by the prairie dogs have been reduced in size due to increased housing and agricultural developments. This implies that, the habitat, which is natural to the prairie dogs has been reduced in size, in another word, their fundamental niche has been compromised.                                                                                                                                                      

6 0
3 years ago
Do you think it could be ethical to hunt a species to extinction to meet the needs and wants human society
Luda [366]

Answer:

No

Explanation:

This species that we would be killing off is innocent and not volunteering for this.

8 0
3 years ago
Read 2 more answers
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