Describing Ecosystems
Ecological Relationships
Energy in Ecosystems
Who is who in the Ecosystem?
Random Ecosystem Trivia
100

The NON living parts of an ecosystem. (ex. temperature, water, sunlight)

What are Abiotic Factors?

100

A relationship between two organisms in which one species benefits and the other is harmed.

What is Parasitism?

100

All of the energy in an ecosystem begins with this.

What is the Sun?

100

Organisms that use an outside source, such as the sun, and produce their own food.

What are Producers?

100

The relationship shared by an acacia tree (provides ants with nectar/shelter) and the acacia ant (protects the tree).

What is mutualism?

200

All of the organisms of the SAME species that live in the same place at the same time.

What is a Population?

200

A relationship between two organisms in which both benefit.

What is Mutualism?

200

The organisms that do not quite fit into the food web because they break down everything. 

What are Decomposers?
200

Consumers that only eat producers.

What are Herbivores?

200

The organism that provides a niche for fish, frogs, and amphibians in a river by building its home.

What is a Beaver?

300

The PLACE in an ecosystem that provides an organism with everything it needs to survive and reproduce. 

What is a Habitat?

300

An interaction between two or more organisms that need the same resources at the same time

What is Competition?

300

The arrows in a food chain or food web represent this.

What is the direction of energy flow?

300

Consumers that eat other consumers.

What are Carnivores?

300
The wolf disappearance from Yellowstone had this indirect affect on the plant population.

What is a Population Increase?

400

All of the populations that live together in an ecosystem at the same time.

What is a Community?

400

The act of one organism feeding on another organism.

What is Predation?

400

A wolf gets energy from a moose, so the wolf and the moose in a food web share this type of relationship.

What is Predator-Prey?

400

Consumers that eat producers and consumers.

What are Omnivores?

400
Producers use a lot of the energy they receive from the sun to _________________, so only some is passed on to primary consumers. 

What is live/survive?

500

The specific way an organism interacts with the ecosystem to fulfill its needs. (ex. Animals eating different parts of a tree)

What is a Niche?

500

A relationship between two organisms in which one species benefits and the other is unaffected. 

What is Commensalism?

500

The amount of energy that is passed from a primary consumer to a secondary consumer. (Shown in an energy pyramid)

What is 10%?

500

Consume the bodies of dead organisms and wastes produced by living organisms. (Includes Decomposers)

What are Detritivores?

500

The largest number of individuals of one species that  an ecosystem can support over time.

What is Carrying Capacity?

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