Interactions of Life Study Guide

A set of vocabulary flashcards defining key ecological terms and symbiotic relationships based on the provided study guide transcript.

Community

Made up of all the populations in an area.

Density

The number of individuals in a population that occupies an area of a specific size.

Biosphere

Includes all places where organisms live on Earth.

Limiting Factor

Anything that restricts the number of individuals in a population.

Producers

Organisms that use any outside energy source, such as the Sun, to produce energy-rich molecules.

Ecology

The study of interactions that occur among organisms and their environment.

Consumers

Organisms that cannot make their own energy-rich molecules.

Population

All the organisms in an ecosystem that belong to the same species.

Carrying Capacity

The largest number of individuals of one species that an ecosystem can support over time.

Ecosystem

All the organisms living in an area and the nonliving features of their environment.

Habitat

The place in which an organism lives.

Symbiosis

Refers to any close relationship between species.

Commensalism

A symbiotic relationship when one organism benefits and the other organism is not affected.

Parasitism

A symbiotic relationship in which one organism benefits but the other is harmed.

Mutualism

A symbiotic relationship in which both organisms benefit.