Ecology Review Flashcardzes

Front

How do primary producers make their food?

Back

By using light energy.

Front

What type of relationship is described as 'win-lose,' where one organism benefits and the other is harmed?

Back

Parasitism.

Front

What are heterotrophs?

Back

Organisms that cannot make their own food.

Front

What is an example of a pioneer species?

Back

Lichen.

Front

Which relationship is characterized by both organisms benefiting?

Back

Mutualism.

Front

What is the role of decomposers in an ecosystem?

Back

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

Front

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

Back

A food chain is a linear sequence of organisms where each is eaten by the next, while a food web is a complex network of interconnected food chains.

Front

What is biodiversity?

Back

Biodiversity refers to the variety of life in a particular habitat or ecosystem.

Front

What is the significance of keystone species?

Back

Keystone species have a disproportionately large impact on their environment relative to their abundance.

Front

What is an ecosystem?

Back

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