Q: In most ________, males and females cooperate in care of the young
In most ________, males and females cooperate in care of the young. a. mammals b. birds c. insects d. all of the above
See AnswerQ: Generally, living in a social group costs the individual in terms
Generally, living in a social group costs the individual in terms of _______. a. competition for food, other resources b. vulnerability to contagious diseases c. competition for mates d. all of the ab...
See AnswerQ: Helping other individuals at a reproductive cost to oneself might be adaptive
Helping other individuals at a reproductive cost to oneself might be adaptive if those helped are ________. a. members of another species b. competitors for mates c. close relatives d. counterfeit sig...
See AnswerQ: A honeybee worker is a _________. a. fertile female
A honeybee worker is a _________. a. fertile female b. sterile female c. fertile male d. sterile male
See AnswerQ: Chemoautotrophic bacteria and archaea are the primary producers for food webs _______.
Chemoautotrophic bacteria and archaea are the primary producers for food webs _______. a. in mangrove wetlands b. at seamounts c. on coral reefs d. at hydrothermal vents
See AnswerQ: A ______ is a change in the rate of random movement in
A ______ is a change in the rate of random movement in response to a specific stimulus. a. epigenetic trait b. taxis c. kinesis d. migration
See AnswerQ: When researchers moved guppies from populations preyed on by cichlids to a
When researchers moved guppies from populations preyed on by cichlids to a habitat with killifish, the life histories of the transplanted guppies evolved. They came to resemble those of guppy populati...
See AnswerQ: Most commonly, individuals of a population show a _______ distribution within
Most commonly, individuals of a population show a _______ distribution within their habitat. a. clumped b. random c. nearly uniform d. none of the above
See AnswerQ: Suppose 200 fish are marked and released in a pond. The
Suppose 200 fish are marked and released in a pond. The following week, 200 fish are caught and 100 of them have marks. There are about _________ fish in this pond. a. 200 b. 300 c. 400 d. 2,000
See AnswerQ: A population of worms is growing exponentially in a compost heap.
A population of worms is growing exponentially in a compost heap. Thirty days ago there were 300 worms and now there are 600. How many worms will there be 30 days from now, assuming conditions remain...
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