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What are organisms that produce their own food using sunlight or chemical energy called?

Autotrophs

What do you call organisms that cannot produce their own food and rely on other organisms for energy?

Heterotrophs

What is the term for organisms that primarily eat plants?

Herbivores

What do you call organisms that primarily eat other animals?

Carnivores

What is the name for organisms that eat both plants and animals?

Omnivores

What describes the complex network of feeding relationships in an ecosystem?

Food webs

What is a linear sequence that links organisms together based on their feeding habits?

Food chains

What term refers to a group of individuals of the same species living in a specific area?

Population

What do you call a collection of different species living together in a specific area?

Community

What is the term for non-living chemical and physical components of the environment?

Abiotic

What do you call the living components of an ecosystem, such as plants and animals?

Biotic

What is the interaction called where one organism hunts and eats another?

Predation

What term describes a prolonged period of abnormally low rainfall?

Drought

What is a community of living organisms interacting with their physical environment?

Ecosystem

What do you call a species that has a disproportionately large effect on its environment relative to its abundance?

Keystone species

What natural event can lead to the destruction of habitats and impact ecosystems?

Fires

What is the term for the seasonal movement of animals from one region to another?

Migration

What do you call the struggle between organisms for the same resources in an ecosystem?

Competition

What is the graphical representation of the biomass or energy at each trophic level in an ecosystem?

Trophic pyramids

What principle states that only about 10% of energy is transferred from one trophic level to the next?

10% rule