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Unit 5 Interactions of Living Things

Horizontales
The place where an organism usually lives and is part of the organism's niche.
A symbiotic relationship when both organisms benefit.
A living thing that influences or affects an ecosystem.
Large regions that are grouped together and characterized by climate and communities of species.
The study of how organisms interact with one another and with their environment.
The feeding relationships among organisms in an ecosystem.
The path of energy transfer from producers to consumers.
The maximum number of individuals of one species that the environment can support.
Uses energy to make food; also called an autotroph.
A specialized consumer that feeds on dead organisms.
A consumer that eats only plants.
A group of individuals of the same species that live in the same place at the same time.
Occurs when individuals join a population.
Verticales
A close long-term relationship between different species in a community.
A symbiotic relationship in which one organism benefits and the other is harmed.
An organism that eats both plants and animals.
The nonliving part of an environment.
A symbiotic relationship in which one organism benefits and the other is unaffected.
A community of organisms and their nonliving environment.
An organism that gets energy and nutrients by breaking down the remains of other organisms.
When two or more individuals or populations try to use the same limited resource, such as food, water, space, shelter, or sunlight.
An organism that eats other animals.
An organism that eats other organisms.
Organisms that are closely related and can mate to produce fertile offspring.
Occurs when individuals leave a population.
Abiotic conditions under which individuals can survive and the role they play in the ecosystem.