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Aleonysh [2.5K]
3 years ago
6

Testing a hypothesis is called a(n) _____. control scientific law experiment variable

Biology
2 answers:
Amanda [17]3 years ago
4 0

Answer:

It is called a variable

Explanation:

butalik [34]3 years ago
3 0
It is called experiment
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<u />

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A. Lancelet

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B. <u>Gill slits</u> are <u>opening structures</u> to gills through which water passes from pharynx/throat to exterior. Their main purpose is to help filter the food particles available in surrounding water. Although they are typical for amphibians and fishes, chordates also possess gill slits at embryonic stages.

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