Unit 8 Ecology

Front

What is the non-living part of an ecosystem?

Back

Abiotic

Front

What is the symbiotic relationship in which both organisms benefit?

Back

Mutualism

Front

How can you tell sea otters are a keystone species based on population changes?

Back

As sea otter population increases, biodiversity increases.

Front

What is the living part of an ecosystem?

Back

Biotic

Front

What type of symbiosis occurs when one organism benefits at the expense of another?

Back

Parasitism

Front

What is the term for the variety of life in an ecosystem?

Back

Biodiversity

Front

What is the process by which plants convert sunlight into energy?

Back

Photosynthesis

Front

What is the role of decomposers in an ecosystem?

Back

They break down dead organic matter, returning nutrients to the soil.

Front

What is a food chain?

Back

A linear sequence of organisms through which nutrients and energy pass.

Front

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

Back

A food chain is a single pathway of energy flow, while a food web consists of multiple interconnected food chains.