There are many organs and glands of the endocrine system, but which one is the master controller?

A) Pituitary
B) Thyroid
C) Hypothalamus
D) Pancreas


C

Biology & Microbiology

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Based on this chronology of hominin crafts, we might conclude that ________

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

Which of the following co-evolved with insects?

a. flowering plants b. algae c. parasites d. crustaceans e. segmented worms

Biology & Microbiology

Damage to its flagellum would prevent a choanocyte from

A. secreting spongin to form the sponge body. B. circulating water through the sponge. C. producing the supportive spicules. D. stinging and capturing prey.

Biology & Microbiology

True or False: At pH 7.0, NH3 exists as ammonium (NH4+)

a. TRUE b. FALSE

Biology & Microbiology