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Nostrana [21]
3 years ago
7

A scientist observes a population crash among eagles within an island ecosystem. Which event might have led to such a crash?

Biology
1 answer:
arlik [135]3 years ago
6 0

Answer:

The closing of a dam caused the island to flood.

Explanation:

A population crash is a sudden decline in the numbers of individual members in a population, species or group of organisms. This can be caused by disease, environmental stress (such as pollution), or when its numbers exceed the carrying capacity of its habitat.

Of the four options, the one that would result in the destruction of the habitat and ecosystem which supports the population of the eagle would be flooding of the island due to the closing of a dam.

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Eutrophication is caused by___
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A dense growth of plant life in a aquatic ecosystem which many animals living there die(due to lack of enough oxygen present in water) and the ecosystem gets completely disrupted.

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An isolated African canyon community in which cheetahs and leopards consume only impala antelopes is being observed. In a hypoth
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Answer:

<em>The population of the impala antelopes will decline rapidly.</em>

Explanation:

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8 0
3 years ago
Crossing over prevents homologous chromosomes from separating during meiosis i. true or false?
Scilla [17]

Crossing over does not prevent homologous chromosomes from separating during meiosis, hence, the statement is false.

CROSSING OVER:

  • Crossing over is the process whereby non-sister chromatids of homologous chromosomes exchange their genetic materials.

  • Crossing over occurs specifically during the prophase I stage of meiosis I. Via this process, genetic diversity is likely to occur in the daughter cells.

  • Crossing over only assures that genes of homologous chromosomes are recombined, it does not stop them from separating in the Anaphase stage.

  • Therefore, crossing over does not prevent homologous chromosomes from separating during meiosis, hence, the statement is false.

Learn more at: brainly.com/question/18824252?referrer=searchResults

4 0
2 years ago
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