Name
Period
Simple Invertebrates - Sponges, Cnidarians, Flatworms and Roundworms
amel ate...
Biology, 17.07.2020 21:01 tyw3366812778
Name
Period
Simple Invertebrates - Sponges, Cnidarians, Flatworms and Roundworms
amel aterrany Curtis
Exam
Multiple Choice
dentify the letter of the choice that best completes the statement or answers the question.
1. Many small aquatic organisms move oxygen and carbon dioxide through their skin by
the process of
a diffusion.
c cephalization.
d muscular contractions.
b extracellular digestion.
Answers: 1
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