All releasing hormones produced by neurosecretory cells of the hypothalamus are

A) ions.
B) peptides.
C) steroids.
D) modified amino acids.
E) modified fatty acids.


B

Biology & Microbiology

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Metanephridia are found in ____

a. annelids b. mammals c. flatworms d. insects e. reptiles

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Food is classified as a bolus in which digestive structure?

a. large intestine b. liver c. mouth d. small intestine e. stomach

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Heterozygous

What will be an ideal response?

Biology & Microbiology

Like the cnidarians, flatworms depend on __________ for achieving circulation and gas exchange

A. blood B. hemolymph C. diffusion D. hearts E. lungs

Biology & Microbiology