Biology Review Flashcard. Week 6

Front

What is a decomposer?

Back

A decomposer is an organism that breaks down dead or decaying organic material, returning nutrients to the ecosystem.

Front

An organism that obtains energy by eating other organisms is a ___________.

Back

Consumer

Front

What are limiting factors?

Back

Limiting factors are environmental conditions that restrict the growth, abundance, or distribution of an organism or a population.

Front

What is a producer?

Back

A producer is an organism that uses energy from the sun to create food through photosynthesis.

Front

What does carrying capacity mean?

Back

Carrying capacity is the maximum number of individuals of a particular species that an environment can support sustainably.

Front

What is the role of consumers in an ecosystem?

Back

Consumers obtain energy by consuming other organisms, playing a crucial role in the food chain.

Front

Define abiotic factors.

Back

Abiotic factors are non-living chemical and physical parts of the environment that affect living organisms.

Front

Define biotic factors.

Back

Biotic factors are the living components of an ecosystem that affect the survival and reproduction of organisms.

Front

What is photosynthesis?

Back

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

Front

What is the difference between a food chain and a food web?

Back

A food chain is a linear sequence of organisms through which nutrients and energy pass, while a food web is a complex network of interconnected food chains.