Which of the following factors affect population size? Check all that apply.

birth rate

death rate

immigration

emigration

disease

competition and predation

human activity

natural disasters and occurrences

What is a tumor?

Identify each process as a carbon source or carbon sink

Which statement gives an example that best demonstrates how the geosphere has affected the evolution of life on Earth? A. Some hummingbirds have evolved to have very long beaks that can only reach the nectar of specific flowers. B.

If a genetic mutation occurs in the phenotype of individual, what must be true for the new phenotype to be inherited by the offspring of the individual? The mutation must be beneficial. The mutation must be on a recessive allele.

What structure do bacteria share with plant cells but not with animal cells?

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.