Echinoderms can be best described as ________.
A. eukaryotic autotrophs that lack tissue, but have bilateral symmetry as larva, and a water vascular system
B. eukaryotic heterotrophs with tissue, bilateral symmetry as larva, and a water vascular system
C. eukaryotic autotrophs with tissue, bilateral symmetry as larva, and a water vascular system
D. eukaryotic heterotrophs with tissue, bilateral symmetry as larva, and a blood vascular system
Answer: B
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Answer the following statement true (T) or false (F)
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