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irakobra [83]
3 years ago
14

The first invertebrates to develop a true nervous system are

Biology
1 answer:
Rina8888 [55]3 years ago
3 0

Answer:

Coelenterates are the first invertebrates to develop a true nervous system.

Explanation:

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C: the Independent Variable would be the weight of the cows

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In an experiment designed to test the effect of temperature on goldfish respiration, the temperatures that were changed represen
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C. experimental

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In the given experiment, goldfishes were exposed to various temperature conditions to observe the effect of temperature on respiration. Therefore, both temperature and respiration rate are the experimental variables here.

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