A long-term study on guppies illustrates the effect of predation on life history traits. In the study, in streams with killifish (prey on immature guppies), the guppies ____
a. were smaller
b. had larger broods per year
c. reproduced at an earlier age
d. were smaller and had fewer broods per year
e. had fewer broods per year and reproduced at an older age
e
You might also like to view...
The exchange surfaces of fish gills are arranged as rows of
A. lamellae. B. trachea. C. alveoli. D. parabronchi. E. spiracles.
The first stage of photosynthesis is(are) the __________, and the second stage is(are) the
__________.
a. Calvin cycle; Calvin cycle b. Calvin cycle; light reactions c. light reactions; Calvin cycle d. light reactions; light reactions
You have just read an advertisement for a new drug that claims people who take it can get muscular bodies without spending months lifting weights in the gym. The drug stimulates muscle growth in the same way that weight lifting does, which is to
A. stimulate existing muscle fibers to divide. B. stimulate growth in the size of existing muscle fibers. C. stimulate an increase in the proportion of slow-twitch muscle fibers. D. stimulate existing muscle fibers to fuse with one another. E. turn surrounding connective tissue into muscle tissue. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you know about how weight lifting increases muscle strength? What other information is related to the question? Choose Answer · Given what you now know, what information is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Which type of soil is best able to retain calcium and potassium, preventing them from being leached away by runoff?
A. humus B. clay C. sand D. All soils are equal in preventing leaching of minerals. E. None of these soils would prevent leaching of minerals.