Marsupial animals complete development in
A. a placenta.
B. water.
C. an egg.
D. a pouch.
D. a pouch.
Biology & Microbiology
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The only endocrine gland whose secretory function is under direct control by sympathetic nerves is the
a. pancreas. b. thyroid. c. adrenal medulla. d. thymus. e. testis.
Biology & Microbiology
In Tilman's experiments with diatoms, what was the outcome when the two species competed for silica?
A) Both coexisted. B) Both survived several years but one eventually won out. C) One outcompeted the other to extinction. D) Both died.
Biology & Microbiology
What is phagocytosis? What does it involve?
What will be an ideal response?
Biology & Microbiology
Vesicles from the ER enter the Golgi at the ______
(a) medial cisternae. (b) trans Golgi network. (c) cis Golgi network. (d) transcisternae.
Biology & Microbiology