Ecology Terms set 3 of 3

Symbiosis

• A close and often long-term interaction between two different biological species.

• A type of competition between two species for resources.

• A process where one species benefits at the expense of another.

• A random interaction between two unrelated species.

Mutualism

• A type of symbiosis where both species benefit from the interaction.

• A relationship where one species benefits and the other is harmed.

• A type of interaction where both species are unaffected.

• A relationship where one species benefits while the other is neutral.

Energy Pyramid

• A type of food chain that shows the relationship between different species.

• A graphical representation of the energy flow in a community, showing the amount of energy at each trophic level.

• A diagram that illustrates the water cycle in an ecosystem.

• A chart that displays the population sizes of various species in a habitat.

Parasite

• An organism that lives on or in a host organism and gets its food at the expense of its host.

• A type of bacteria that helps in digestion.

• A plant that grows independently in soil.

• An organism that provides benefits to its host.

Food Web

• A simple chain of food sources in an ecosystem.

• A complex network of interlinked food chains in an ecosystem.

• A type of food that is consumed by herbivores only.

• A diagram showing the energy flow in a single food chain.

Biodiversity

• The total number of species in a given area.

• The variety of life in the world or in a particular habitat or ecosystem.

• The study of living organisms and their interactions.

• The process of evolution in different species.

Food Chain

• A circular pattern of energy flow in an ecosystem.

• A linear sequence of organisms through which nutrients and energy pass as one organism eats another.

• A complex network of food webs that includes multiple species.

• A method of food production in agriculture.

Host

• An organism that harbors a parasite, providing nourishment and shelter.

• A type of virus that infects cells.

• A method of reproduction in parasites.

• A disease caused by a parasite.

Trophic Level

• The role an organism plays in its habitat

• The position an organism occupies in a food chain

• The type of food an organism consumes

• The number of organisms in a population

Niche

• The role or function of an organism or species within an ecosystem, including its use of resources and relationships with other species.

• A type of habitat that is uninhabited by any species.

• The physical environment where an organism lives, including climate and geography.

• A classification of organisms based on their genetic similarities.