Biology Midterm Review Part 1

Front

What is a population in ecology?

Back

A population is a group of individuals of the same species living in a specific area.

Front

What is a food chain?

Back

A food chain is the flow of energy from one organism to another in an ecosystem.

Front

What are biotic factors?

Back

Biotic factors are the living parts of an ecosystem, such as plants, animals, and microorganisms.

Front

What is a heterotroph?

Back

A heterotroph is an organism that cannot make its own food and must consume other organisms for energy.

Front

What are autotrophs?

Back

Autotrophs are organisms that can produce their own food, typically through photosynthesis, such as plants.

Front

Define ecosystem.

Back

An ecosystem is a community of living organisms interacting with their physical environment.

Front

What is the role of producers in an ecosystem?

Back

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

Front

What is a biome?

Back

A biome is a large geographical area characterized by specific climate conditions and distinct plant and animal communities.

Front

What is the difference between a community and a population?

Back

A community is made up of different populations of various species living together, while a population consists of individuals of the same species.

Front

What is the significance of decomposers in an ecosystem?

Back

Decomposers break down dead organic matter, recycling nutrients back into the ecosystem.