Something not found in ALL mammals is:

A. endothermy (i. e., "warm-bloodedness")
B. hair
C. live birth
D. milk to feed their young


C. live birth (Almost every mammal gives live birth except the platypus and the echidna)

Biology & Microbiology

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What is the most abundant animal in soft-bottomed communities?

a. Whelks b. Brittle stars c. Polychaetes d. Mussels

Biology & Microbiology

During forced inhalation, the __________ intercostal muscles contract, moving __________ upward

a. internal; the diaphragm b. internal; the ribs c. external; the diaphragm d. external; the ribs e. external; both the diaphragm and the ribs

Biology & Microbiology

What do plants and animals have in common?

a. both are heterotrophic b. both are autotrophic c. both are prokaryotic d. both are eukaryotic

Biology & Microbiology

It is widely accepted that altruistic behavior has evolved for the benefits it provides the species as a group.

Answer the following statement true (T) or false (F)

Biology & Microbiology