The process of producing sex cells is
A. fertilization.
B. mitosis.
C. gametogenesis.
D. ovulation.
C. gametogenesis.
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Explain 2 functions of the bright coloration of some coral reef dwellers
What will be an ideal response?
What do all greenhouse gases have in common?
A. They have complex structures that allow them to contribute to the greenhouse effect by trapping heat energy and rereleasing it into the atmosphere. B. They all precipitate as acid rain. C. They are present in extremely large concentrations in the atmosphere. D. They have simple structures and allow infrared energy to pass through the atmosphere to warm the earth.
Primary productivity is dependent upon all of the following EXCEPT for the ____
a. number of plants in the ecosystem b. rate of photosynthesis c. rate of energy use by plants d. sunlight and rainfall amounts e. levels of oxygen
Nitrogen-fixing bacteria convert gaseous nitrogen into:a
amino acids. b. phosphate. c. ammonia. d. nitrite. e. nitrate.