Ecosystems
Ecological Relationships
Food Webs/Energy Pyramids
Graphs
Other Vocab
100

All of the non-living things in an ecosystem.

What are abiotic factors?

100

When both organisms benefit from the other.

What is mutualism?

100

Organisms that use the sun's energy to make their food.

What are producers?

100


The approximate largest population that species 1 reached.

What is 175,000 organisms?

100

Organisms that eat only plants.

What are herbivores?

200

A group of organisms of the same species.

What is a population?

200

The relationship where one animal hunts and eats another animal of a different species.

What is predator/prey?

200

A series of events in which one organism eats another and obtains energy.

What is a food chain?

200

The year that species 2 reached their carrying capacity.

What is year 7?

200

Carnivores that feed on dead organisms.

What are scavengers?

300

The largest number of individuals an area can support.

What is carrying capacity?

300

When one organism benefits while the other is being harmed.

What is parasitism?

300


The organisms that eat a mouse.

What are foxes, owls, and hawks?

300


The symbiotic relationship most likely represented by this graph.

What is mutualism?

300

Organisms that break down wastes and dead organisms.

What are decomposers?

400

The two major events that will cause a population to decrease.

What is death and emigration?

400

When one organism benefits and the other is neither benefited or harmed.

What is commensalism?

400


The trophic level of snails in this energy pyramid.

What is primary consumer?

400


The carrying capacity of both species in the graph.

What is 40,000 organisms?

400

Multiple populations of organisms of different species.

What are communities?

500

The number of individuals in an area of a specific size.

What is population density?

500

A close and long-term biological interaction between two different species.

What is symbiosis?

500

The trophic level that eats secondary consumers.

What are tertiary consumers?

500


The symbiotic relationship most likely represented by this graph.

What is parasitism?

500

Abiotic and biotic parts of an ecosystem that cause a population to stop growing or decrease.

What are limiting factors?

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