AP Biology Vocab

AP Biology Vocabulary Flashcards

What is a detritivore?

An organism that feeds on dead organic material.

What is cell signaling?

The process of cells communicating with each other to coordinate activities.

What is the cell cycle?

The repeating series of growth, DNA replication, and division.

What is DNA ligase?

An enzyme that joins DNA fragments together.

What is an ecological niche?

The role and position a species has in its environment.

What is an ecological pyramid?

A graphical representation of the energy or biomass in each trophic level of an ecosystem.

What is ecological succession?

The process of change in the species structure of an ecological community over time.

What is an ecosystem?

A biological community of interacting organisms and their physical environment.

What is ecosystem stability?

The ability of an ecosystem to maintain its structure and function over time despite disturbances.

What is an endergonic reaction?

A chemical reaction that requires energy to be absorbed in order to occur.

What is endosymbiosis?

A symbiotic relationship where one organism lives inside another.

What is entropy?

A measure of disorder or randomness in a system.