Sexual reproduction
a. leads to uniform characteristics in a population.
b. results in new combinations of genetic traits.
c. produces genetic clones.
d. requires less tissue differentiation than asexual reproduction.
e. produces genetic clones and requires less tissue differentiation than asexual reproduction.
B
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During breeding season, female northern elephant seals pick areas of the beach that are relatively protected and remain out of tidal changes. These are some of the "best" places to have their young
These areas are also where they will mate before going back out into the sea to forage for the next eight months. How does this choice reflect sexual selection? A. Pups born on these beaches are more likely to survive to reproduce. B. Females found on these beaches are more likely to have offspring that will survive to reproduce. C. These areas on the beach are more likely to be defended by larger and stronger males. D. These areas on the beach are where closely related females will have their offspring.
Rape (the plant from which canola oil is produced), sunflowers, and soybeans have been genetically modified to enhance production of ____________________ fatty acids
Fill in the blank(s) with correct word
The vulva includes the structure(s) labeled
a. 6. b. 7. c. 8. d. 7 and 8 only. e. 6, 7, and 8.
Energy flows from a lower trophic level to a higher level when organisms at a lower level are eaten by organisms at a higher level. Approximately what percentage of the total energy can possibly be passed on to the next trophic level?
A) 75% B) 90% C) 10% D) 30%