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olga nikolaevna [1]
1 year ago
5

A scientist gives a rat a food pellet every time it presses a bar. This is an example of __________.

Biology
1 answer:
Trava [24]1 year ago
3 0

Answer:

classical conditioning

Explanation:

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forsale [732]

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Answer:

The distance traveled by Joe in feet is 39,372 ft:

Explanation:

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Alexandra [31]
The correct option from given options is "b", that is <span> it changed ideas about which animals were closely related.
</span>Cladistics<span> was </span>invented for the purpose of improving on taxonomy and it is a way to deal with biological classification. DNA technology lead to more use of cladistics because it changed ideas about which animals were closely related and also it showed new evolutionary relationships between animals.
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3 years ago
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A species including only organisms that can reproduce
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The correct answer is option I) Steroid hormones are lipid soluble and easily cross the phospholipid bilayer.

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