Echinoderms Can Be Best Described as ________

Multiple Choice

Echinoderms can be best described as ________.

A) eukaryotic heterotrophs with tissue, bilateral symmetry as larva, and a water vascular system
B) eukaryotic autotrophs that lack tissue, but have bilateral symmetry as larva, and a water vascular system
C) eukaryotic heterotrophs with tissue, bilateral symmetry as larva, and a blood vascular system
D) eukaryotic autotrophs with tissue, bilateral symmetry as larva, and a water vascular system