Ecosystem Energy and Evolution Concepts Unit 2

Front

What is adaptation in organisms?

Back

Adaptation can involve physical and behavioral changes that help an organism survive.

Front

How do land animals obtain nitrogen?

Back

Land animals obtain nitrogen by eating food.

Front

What is the significance of advantageous traits in a species?

Back

Species that survive often inherit some advantageous (good) traits.

Front

Where does the energy in most ecosystems originate?

Back

The energy in most ecosystems comes from the sun.

Front

What is natural selection?

Back

Natural selection happens when organisms have beneficial traits and are better able to survive and reproduce.

Front

Define ecosystem.

Back

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

Front

What role do producers play in an ecosystem?

Back

Producers, like green plants, convert sunlight into energy through photosynthesis.

Front

Explain the concept of food chains.

Back

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

Front

What is the difference between adaptation and evolution?

Back

Adaptation refers to changes in a species over time, while evolution is the broader process of change in populations over generations.

Front

What is a niche in an ecosystem?

Back

A niche is the role or function of an organism within its ecosystem.