1.
Figure 47.3
In the second step, why did the researchers inject the eggs in the control group?
To create paragraphs in your essay response, type <p> at the beginning of the paragraph, and </p> at the end.
2.
Figure 47.8
In addition to changes in foraging behavior, what other traits might change in response to selection for the ability to survive and reproduce in low- and high-density populations? How would you test your hypotheses?
To create paragraphs in your essay response, type <p> at the beginning of the paragraph, and </p> at the end.
3.
Figure 47.10
One of the females intervening on the infant's behalf is presumably its mother. Why would the other female help her in such a dangerous situation? What data would you gather to test your hypothesis?
To create paragraphs in your essay response, type <p> at the beginning of the paragraph, and </p> at the end.
4.
Figure 47.11
The researcher who gathered these data is not sure why prairie dogs are so unlikely to give alarm calls when parents or siblings are close by. Generate a hypothesis to explain the observation. How would you test your hypothesis?
To create paragraphs in your essay response, type <p> at the beginning of the paragraph, and </p> at the end.
5.
Figure 47.13
The text claims that the two trees are "remarkably similar." Do you agree?
To create paragraphs in your essay response, type <p> at the beginning of the paragraph, and </p> at the end.