#Question id: 8852
#Section 2: Evolution
The upper forelimbs of humans and bats have fairly similar skeletal structures, whereas the corresponding bones in whales have very different shapes and proportions. However, genetic data suggest that all three kinds of organisms diverged from a common ancestor at about the same time. Which of the following is the most likely explanation for these data?
#Question id: 11714
#Section 1: Ecology
In recognizing patchiness in the natural world, ecologists have developed three different models of populations. Which of these recognize(s) that there are differences in the quality of habitat patches without considering effects of differences in habitat quality within the habitat matrix?
#Question id: 10868
#Section 2: Evolution
Which of the following relationships describes competition?
#Question id: 3353
#Section 2: Evolution
#Question id: 16790
#Section 3: Mathematics and Quantitative Ecology
