AP Biology Ecology Exam Review

What does ecology study?

• The study of human behavior

• The study of interactions between organisms and their environment

• The study of oceans

• The study of space

What is an example of a biotic factor?

• Water

• Temperature

• Plants

• Sunlight

Which curve represents a constant death rate over the lifespan?

• None of the above

• Type III

• Type I

• Type II

What does the term 'carrying capacity' refer to?

• The maximum population size that can be supported indefinitely

• The genetic capacity of a species

• The migration patterns of a species

• The ability of an environment to sustain agricultural yields

Which type of interaction is beneficial to both species involved?

• Competition

• Predation

• Parasitism

• Mutualism

What is primary succession?

• Recovery of an ecosystem after a forest fire

• Development of ecosystems in areas where soil is present

• Development of ecosystems in areas where no soil exists

• None of the above

Which level of consumers directly eats plants?

• Primary consumers

• Quaternary consumers

• Secondary consumers

• Tertiary consumers

What is the role of bacteria in the nitrogen cycle?

• They consume carbon dioxide

• They fix atmospheric nitrogen into usable forms

• They decompose organic matter

• They produce oxygen through photosynthesis

What is biological magnification?

• None of the above

• Increase in toxin levels as they move up the food chain

• Decrease in toxin levels as they move up the food chain

• Stable toxin levels across the food chain

What is a major threat to biodiversity?

• Urban development

• Increased plant growth

• Habitat destruction

• All of the above