Mammals have two traits that set them apart from all other animals. These are
A) body hair or fur, and being homeothermic.
B) amniotic eggs and milk production.
C) four-chambered heart and milk production.
D) body hair or fur, and milk production.
E) four-chambered heart and body hair or fur.
Correct Answer:
Verified
Q1: Which is true about the invertebrates?
A)They are
Q2: The process seen in many insects involving
Q3: The exoskeleton of arthropods
A)grows with the animal.
B)is
Q4: In sponges, the choanocytes or collar cells
A)are
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
Q9: Birds are able to maintain relatively constant
Q10: Most members of the phylum Platyhelminthes
A)are free-living.
B)exhibit
Q11: All of the following are general characteristics
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