How many genes does the yeast nuclear genome contain?
a. 1000
b. 6000
c. 10,000
d. 20,000
Ans: b. 6000
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A type III survivorship curve is characteristic
of
a. dogs. b. goats. c. hawks. d. clams. e. horses
The trunk of the body has muscles of all of the
following EXCEPT a. thorax. b. limbs. c. backbone. d. pelvic cavity. e. abdominal wall.
Anolis lizards can be informally subdivided into long-legged forms (which move by jumping from tree to tree) and short-legged forms (which mostly crawl from one area to another). Both forms are usually found in any population
A group of Anolis lizards with long legs are transplanted from an island with many large trees to an island with many small plants and no trees. In future generations, the transplanted lizard population is most likely to A) evolve shorter legs adapted for the smaller plants. B) undergo no evolutionary change. C) evolve to be able to maneuver less efficiently. D) evolve to be able to run away from predators more quickly. E) evolve even longer legs.
At present, Earth's human population is
A) declining. B) stable. C) increasing exponentially. D) increasing by about 10% per year. E) increasing at a constant rate.