Often, we want to be the best at what we are doing. Instead of comparing our success with others, what kind of attitude can we have?

What adaptation is apparent in the bodies of the three tortoise species shown in figure 16-2

What type of genetic drift would be simulated if all the beans that were not selected died out?

Which of the following are false concerning microbes? a. microbes generate oxygen through photosynthesis.b. the primary role of microbes on the planet involves causing disease in animals and humans.c. microbes produce vitamins in the intestines.d. microbes play a role in breaking down waste and decomposing dead organisms.