AP Biology Flashcards: Responses to the Environment
Written by AP Content Team, Verified for 2026 AP Exams, Last updated: May 2026
Review key ideas with interactive flashcards. This set includes 11 cards to help you master important concepts.
What is a key benefit of cooperative behaviors within a population?
Cooperative behaviors can increase the fitness of both the individuals involved and the population as a whole.
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What is a key benefit of cooperative behaviors within a population?
Cooperative behaviors can increase the fitness of both the individuals involved and the population as a whole.
Define differential reproductive success in the context of organism communication.
It is when communication using signals leads to changes in behavior that result in some individuals having more offspring than others.
What are two potential outcomes of organisms communicating through signals?
Communication through signals can lead to changes in behavior and result in differential reproductive success.
How are an organism's responses connected to its environment?
An organism's behavioral and physiological responses are directly related to changes in its internal or external environment.
What are the two primary types of mechanisms organisms use to respond to environmental changes?
Organisms respond to environmental changes through behavioral and physiological mechanisms.
List five categories of signals that organisms use to communicate.
Organisms use visual, audible, tactile, electrical, and chemical signals to communicate.
How do the behavioral responses of an organism influence its success?
The behavioral responses of organisms affect their overall fitness and may contribute to the success of the entire population.
What role do internal and external cues play in an organism's behavior?
Organisms exchange information in response to internal and external cues, which can alter their behavior.
In the context of natural selection, which types of behaviors are most likely to be passed on?
Both innate and learned behaviors that increase survival and reproduction are favored by natural selection.
If a group of animals uses a specific call to warn others of a predator, how does this behavior contribute to the success of the population?
This cooperative, audible signal alters the behavior of others to increase survival, which affects overall fitness and contributes to the success of the population.
Explain the relationship between an organism's response to information and natural selection.
Responses to information are vital to natural selection because behaviors that enhance survival and reproduction are favored and passed on.