True/False
Radial symmetry benefits animals that actively move in certain directions because they approach their environment from all sides equally.
Correct Answer:
Verified
Correct Answer:
Verified
Q8: The radiate animals represent the tissue-organ level
Q9: Ctenophores capture prey by use of<br>A)nematocysts.<br>B)collenchyme.<br>C)colloblasts.<br>D)statocysts.
Q10: The _ are often bioluminescent.<br>A)anthozoans<br>B)ctenophores<br>C)hydrozoans<br>D)scyphozoans<br>Fill in the
Q11: Octocorallian corals include soft corals,sea pansies,sea pens,and
Q12: In cnidarians,extracellular digestion occurs in the<br>A)gastrovascular cavity.<br>B)gastrodermal
Q14: Most of the zooids of Obelia are
Q16: The central nervous system of cnidarians includes
Q17: Digestion in cnidarians is<br>A)intracellular only.<br>B)extracellular only.<br>C)both extracellular
Q18: The body wall of a Hydra consists
Q28: The long thread-like structures that help to