What is the most direct and likely cause of coral bleaching?
A. Ocean acidification
B. Warming temperatures kill the coral polyps.
C. Warming temperatures kill the dinoflagellate population.
D. Pollution of coastal waters
E. Destructive fishing practices
Answer: C
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The specific compound that is capable of receiving light energy as the first step in sensory transduction is
A. retinal. B. rhodopsin. C. cone opsin. D. vitamin A. E. melanin.
The tunic of tunicates is composed of:
a. a cellulose-like substance. b. chitin. c. silica. d. calcium carbonate. e. starch.
The first federally approved gene therapy test on humans was designed to treat
a. severe combined immune deficiency. b. diabetes. c. cystic fibrosis. d. hemophilia. e. leukemia.
Molecules like salts and water move into tissue through ____
a. capillary pores b. protein pumps c. protein channels d. lymphatic vessels e. venules