Energy Transfer and Ecological Relationships

Front

What is an ecosystem?

Back

An ecosystem is a community of living organisms (plants, animals, and microbes) interacting with their physical environment (soil, water, and climate).

Front

What happens to energy as it moves through a food chain?

Back

The energy decreases as it moves through a food chain.

Front

What is mutualism?

Back

Mutualism is a type of ecological relationship where two different species benefit from each other.

Front

If a grasshopper has 3,500 kilocalories of energy, how much energy does the owl have?

Back

35 kilocalories.

Front

What is parasitism?

Back

Parasitism is a relationship where one species benefits while harming another species.

Front

What is a biosphere?

Back

The biosphere is the global sum of all ecosystems, where life exists on Earth.

Front

What is a community in ecology?

Back

A community is a group of different species living together in one area.

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 commensalism?

Back

Commensalism is a relationship where one species benefits and the other is neither helped nor harmed.

Front

What is energy flow in an ecosystem?

Back

Energy flow refers to the transfer of energy from one organism to another through food chains and food webs.