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solniwko [45]
3 years ago
12

In an experiment there are two groups. which group is not changed in any way

Biology
1 answer:
Dmitriy789 [7]3 years ago
5 0

Answer:

The Control Group

Explanation:

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Fish respiratory systems exchange gas and receive oxygen at the gills. This oxygen then enters the bloodstream and is pumped thr
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Explanation:

3 0
3 years ago
Kingdoms are a more specific (less broad) category in the taxonomic hierarchy.
gregori [183]

Answer:

a

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4 0
3 years ago
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A tall plant crossed with a short one produced offspring, of which about half are tall and half are short. What are the genotype
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Answer:

Rr x rr

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A change in the sequence of bases in a DNA molecule is know as
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