Leptin, an appetite-suppressing hormone, is secreted by ________

a. the brain
b. fat cells
c. the intestines
d. kidneys


b

Biology & Microbiology

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What was the first seed plant to appear?

a. angiosperm b. bryophytes c. gymnosperm d. nonvascular plants

Biology & Microbiology

In the early years of microbiology, microorganisms were referred to as ________

cooties animalcules zygotes prokaryotes

Biology & Microbiology

________ and ________ mean the same thing

A) Clade; parsimony B) Parsimony; analogy C) Clade; monophyletic taxon D) Derived; ancestral

Biology & Microbiology

Match each representative to the subphylum to which it belongs.

A. insects B. horseshoe crabs C. shrimp D. millipedes

Biology & Microbiology