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vesna_86 [32]
3 years ago
8

Which two statements describe how igneous rock is formed?

Biology
1 answer:
suter [353]3 years ago
3 0

Answer:

A. Liquid rock hardens into solid rock as it cools underground.

Explanation:

I hope it helps

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D

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Which education and qualifications are especially useful for Plant Systems careers? Check all that apply.
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zimovet [89]

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The car locomotes

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3 years ago
To measure the population of lake trout in a 250-hectare lake, 400 individual trout were netted and marked with a fin clip, then
kenny6666 [7]

Answer:

Estimated size is 1600

Explanation:

Given data:

Size of lake is 250 hectares

Total number of trout who netted is 400

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estimation population size is estimated by mark rupture as follow

Estimated population size = \frac{(marked\ initally \times total\ recaptured)}{mark\ recaptured}

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4 0
3 years ago
50 points!!! please define the philogenetic species concept and please explain it with an example, it's realy urgent
pickupchik [31]
Phylogenetic species concept (PSC) The concept of a species as an irreducible group whose members are descended from a common ancestor and who all possess a combination of certain defining, or derived, traits (see apomorphy). ... "phylogenetic species concept." A Dictionary of Biology. .

Or

The biological species concept has its limitations (although it works well for many organisms and has been very influential in the growth ofevolutionary theory). ... In thisexample, Ensatina salamander lineages A and B are separate species.Each has a common ancestor that individuals of other species do not.

I hope that this helps you out

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3 years ago
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