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pav-90 [236]
3 years ago
5

Explain the value of echinoderms .

Biology
2 answers:
GaryK [48]3 years ago
8 0

Answer:

Echinoderms play numerous ecological roles.

dimaraw [331]3 years ago
3 0

Answer:

Echinoderms play numerous ecological roles. Sand dollars and sea cucumbers burrow into the sand, providing more oxygen at greater depths of the sea floor. This allows more organisms to live there.

Explanation:

They are also economically important to humans due to their use in scientific research and education and also for food.

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playing or not playing classic music to the rose bushes

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independent variable is the variable the expirementer changes or controls.

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The second one.

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What is the best source of nuclear DNA when working with hair samples?
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