Birds are able to maintain relatively constant body temperature regardless of external temperature. Therefore, birds are
A) homeopathic.
B) homeothermic.
C) ecdysozoans.
D) apodans.
E) amniotes.
Correct Answer:
Verified
Q4: In sponges, the choanocytes or collar cells
A)are
Q5: Mammals have two traits that set them
Q6: In cnidarians, nematocysts are important in
A)food digestion.
B)excretion
Q7: It is generally thought that four critical
Q8: All members of the phylum Chordata share
A)a
Q10: Most members of the phylum Platyhelminthes
A)are free-living.
B)exhibit
Q11: All of the following are general characteristics
Q12: The mantle in mollusks
A)secretes the shell and
Q13: It is generally thought that animals have
Q14: The closest living protistan relatives to animals
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