Answer:
A.
Explanation:
Ventilation and Respiration
Answer:
the correct answer is B
Explanation:
thank you to whoever commented on the guys wrong answer :)
Answer:
The general shape of the echinoderm may be that of a star with arms extended from a central disk or with branched and feathery arms extended from a body often attached to a stalk, or it may be round to cylindrical.
False.
hope this helps :), please mark brainliest.