What is a tumor?

Shows a spider capturing an insect in its web. Which of the behaviors related to survival is the spider exhibiting?

Which phrase best describes the function of cilia? A. allow the cell to be motile B. assist with protein production C. allow the cell to use energy D. assist with cellular respiration

Give an example of a short-term disruption of homeostasis.

Climate changes cause a drought. There is no food to collect. To survive, the animals must become predators, catch and kill prey for food. Which group (s) would you expect to die out because of their mutations in this new environment?

Thomas Malthus's 1798 work, "Essay on the Principle of Population," greatly influenced Darwin. Which of the following statements best summarizes Malthus's idea? A. People reproduce much more quickly than their resources do.

What is a possible long-term effect of continued exposure to air pollution?

6. Risk assessment depends on A medicine B climate C scientific research D political stability

Organisms interact with their environments, exchanging matter and energy. for example, plant chloroplasts convert the energy of sunlight to

What is a cladogram used to do? a. determine the identities of new species c. determine in which kingdom a species belongs b. model a phylogeny d. All of the above

Based on what you have read in the lesson about the functions of each part of the digestion system, what do you think could be one cause of diarrhea, which is a malfunction of the digestive system resulting in excessively watery stool? Select one: A.