A sperm is produced lacking an acrosome. Which of the following will likely result?
1.failure to complete meiosis
2.inability to swim
3.inability to make ATP
4.inability to penetrate the zona pellucida
4
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You are excited because you just purchased a male guppy that has red, blue and green colors on its fins and tail. Your guppies at home do not have this combination of colors. You place the new male in with three females for mating purposes. After three weeks you have many new baby guppies and with the new color combination. This is an example of which type of selection?
A. Natural B. Environmental C. Analogous D. Convergent E. Artificial
Larrea tridenta is chemically defended against most herbivores and some are able to survive
thousands of years.
Indicate whether the statement is true or false.Which stage(s) show(s) the diploid portion of
the life cycle? a. A b. B c. C d. D e. D and E
The organism with the highest fitness is
A. an animal that lives 2 years and produces 10 offspring per year. B. an animal that lives 10 years and produces 2 offspring per year. C. an animal that lives one year and produces 10 offspring total. D. an animal that lives 10 years and produces 10 offspring per year. E. an animal that lives 100 years and produces 10 offspring total.