An experiment that was conducted by Gause in the 1930s with Paramecium clearly demonstrated
A. fundamental competition.
B. exploitative competition.
C. competitive exclusion.
D. interference competition.
Answer: C
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Your professor asks you to explain the difference between a tendon and a ligament. How do you answer?
A. Tendons secure muscles to other muscles and ligaments secure bones to other bones. B. Tendons and ligaments have the same function but are found in different areas of the body. C. Tendons secure muscles to bones and ligaments secure muscles to other muscles. D. Tendons are just enlarged ligaments. E. Tendons secure muscles to bones and ligaments secure bones to other bones.
The embryo is within the structure indicated by
a. A. b. B. c. C. d. D. e. E.
What is the name of the syndrome that produces the XXY combination of sex chromosomes?
A) Jacob's syndrome B) Down syndrome C) Klinefelter syndrome D) Turner syndrome
The molecular evidence of how the cytochrome c gene changes with time suggests that this gene evolves
A. at a constant rate. B. hardly at all. C. more rapidly than any other gene. D. in spurts.