Ecology Edulastic Test

Front

What is a limiting factor in an ecosystem?

Back

A limiting factor is a condition that restricts the growth, abundance, or distribution of an organism or a population within an ecosystem.

Front

What is a primary consumer?

Back

A primary consumer is an organism that eats producers (plants) in a food chain.

Front

What is a secondary consumer?

Back

A secondary consumer is an organism that eats primary consumers in a food chain.

Front

What is a tertiary consumer?

Back

A tertiary consumer is an organism that eats secondary consumers in a food chain.

Front

What is an energy pyramid?

Back

An energy pyramid is a graphical representation that shows the flow of energy at different trophic levels in an ecosystem.

Front

Why is energy transfer in a food chain inefficient?

Back

Energy transfer is inefficient because a significant amount of energy is lost as heat at each trophic level, typically around 90%.

Front

What role do decomposers play in an ecosystem?

Back

Decomposers break down dead organic matter, returning nutrients to the soil and making them available for producers.

Front

What is a food chain?

Back

A food chain is a linear sequence that shows how energy and nutrients flow from one organism to another in an ecosystem.

Front

What is a food web?

Back

A food web is a complex network of interconnected food chains in an ecosystem, showing how different organisms are related.

Front

What is a producer?

Back

A producer is an organism that can make its own food through photosynthesis or chemosynthesis, typically plants.