Which group of animals would contain species that are parasitic to humans?

1.cnidarians
2.mollusks
3.flatworms
4.


3

Biology & Microbiology

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Cassava roots release the toxin hydrogen cyanide when their cells are damaged

A. true B. false

Biology & Microbiology

Which of the following terms is mismatched with its meaning or characteristics? 

A. Diploblastic—ectoderm and mesoderm B. Triploblastic—ectoderm, mesoderm, and endoderm C. Parazoa—lacks symmetry; no tissues D. Eumetazoa—definite symmetry; tissues organized E. Chordate—animal with notochord

Biology & Microbiology

Which of the following infects only plants?

A. Virus B. Prion C. Viroid D. Capsid

Biology & Microbiology

The increase in girth (width) of trees occurs as a consequence of which of the following?

a) primary growth b) growth from cambium tissues c) sexual reproduction d) growth in apical meristems e) increase in width of sieve tubes

Biology & Microbiology