What are the characteristics of the cnidarians? I - Their body is organized around a gastrovascular cavity that digests food and acts as a hydrost...
What are the characteristics of the cnidarians?
I - Their body is organized around a gastrovascular cavity that digests food and acts as a hydrostatic skeleton.
II - They have a single orifice that serves as both mouth and anus.
III - They are only found in marine environments.
IV - They have a complex nervous system and muscles.
a) I and II are correct.
b) II and III are correct.
c) I and III are correct.
d) III and IV are correct.
I - Their body is organized around a gastrovascular cavity that digests food and acts as a hydrostatic skeleton.
II - They have a single orifice that serves as both mouth and anus.
III - They are only found in marine environments.
IV - They have a complex nervous system and muscles.
a) I and II are correct.
b) II and III are correct.
c) I and III are correct.
d) III and IV are correct.
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