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Len [333]
3 years ago
8

Which of the following is an example of an estuary?

Biology
1 answer:
marissa [1.9K]3 years ago
6 0
A. Upstream part of a river
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The cichlid is a colorful fish found in freshwater lakes. There are over a thousand species of cichlid fish today. If a species
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The idea behind an available niche after extinction leading to speciation is: the fact that those species can grow distinct and then in other to survive develop new traits.

<h3>Meaning of speciation</h3>

Speciation can be defined as a process that births new species with different traits while they evolve.

Speciation occurs when extinction is eminent and most time in other to preserve that race they evolve into something new with new traits.

In conclusion, The idea behind an available niche after extinction leading to speciation is: the fact that those species can grow distinct and then in other to survive develop new traits.

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Estimating Population Size – Review the two approaches to estimating population size and answer the following questions.
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Answer:

b) there are 56 deer in 1000 acres of area.

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If a person has 1000 aces of land and a local wildlife biologist tell him that on every 18 acres only one deer is present so in 1000 acres there are 56 deer are present.

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by cross multiplication, we get

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