Biology EOC Review Day 5: Ecology

Front

What is a decomposer?

Back

An organism that breaks down dead or decaying organic material, returning nutrients to the ecosystem. Examples include fungi and bacteria.

Front

Which of the following is NOT a decomposer?

Back

Leaves.

Front

What is ecology?

Back

The scientific study of interactions among/between organisms and their environment.

Front

What comes first in ecological succession, animals or plants?

Back

Plants come first because animals rely on them for food production.

Front

What process transfers carbon from the atmosphere to land animals?

Back

Respiration.

Front

What is a biotic factor?

Back

A living component of an ecosystem that affects other organisms, such as predators.

Front

What is an abiotic factor?

Back

A non-living component of an ecosystem, such as water, sunlight, and temperature.

Front

Define trophic cascade.

Back

A series of changes in the population sizes of organisms at different trophic levels in an ecosystem, often triggered by the removal or addition of a top predator.

Front

What role do producers play in an ecosystem?

Back

Producers, such as plants, convert sunlight into energy through photosynthesis, forming the base of the food chain.

Front

What is photosynthesis?

Back

The process by which green plants and some other organisms use sunlight to synthesize foods with the help of chlorophyll.