Which of the following have a flexible cuticle,

longitudinal muscles, a complete digestive
system, and a false coelom?
a. nematodes
b. cnidarians
c. flatworms
d. echinoderms
e. sponges


A

Biology & Microbiology

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Saltmarsh cordgrass is known as a(n)_____ because patches slow the velocity of incoming tides and stabilize stormy

beach habitat.

a. parasite b. foundation species c. symbiote d. mimic e. ecotone

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Early in Earth's history, there was a massive "supercontinent" known as ____

a. Gondwana b. Pangea c. Botswana d. Pellagra e. Panagra

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Which term can be applied to all of the vertebrates except for the jawless fish?

A. Endothermic B. Amniotes C. Tetrapods D. Gnathostomes

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If an amine group added to a precursor comes from a preexisting amino acid, the process is called

a) beta-oxidation. b) amination. c) transamination. d) beta-reduction.

Biology & Microbiology