Biosphere Review

Front

Who is the primary consumer in an ecosystem?

Back

Grasshopper

Front

A food ________ is much more complicated, yet more realistic than a food ________.

Back

web, chain

Front

What type of succession occurs faster, with soils undisturbed and a similar climax community?

Back

Secondary Succession

Front

What type of succession occurs slowly, requires pioneer species, and happens when nothing was previously there or the ecosystem was completely wiped out?

Back

Primary Succession

Front

What term describes non-living factors of an environment?

Back

Abiotic

Front

What is the term for living components of an ecosystem?

Back

Biotic

Front

What is the primary source of energy for the biosphere?

Back

The Sun

Front

What is a trophic level?

Back

A position in a food chain or food web that indicates the flow of energy and nutrients.

Front

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

Back

A food chain is a linear sequence of organisms, while a food web is a complex network of interconnected food chains.

Front

What role do decomposers play in an ecosystem?

Back

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