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Energy Roles
Carrying Capacity and Limiting Factors
Vocabulary
Key Concepts
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100
What types of organisms are producers?
What are plants?
100

Resources are all considered to be this?

What is a limiting factor?

100
a series of events in which one organism eats another and obtains energy.
What is a food chain.
100
Quickly create a 3 link food chain.
answers may vary.
100

What is carrying capacity?

What is the maximum number of organisms an ecosystem can support?

200

Where in an energy pyramid would you expect there to be the most energy?

What is the bottom?

200

Name one limiting factor.

What is water? What is food? What is shelter? What are mates?

200
many overlapping food chains in an ecosystem.
What is food web.
200
How do organisms obtain energy?
What is by consuming/eating.
200

Producers are able to do this (BE SPECIFIC)

What is create energy-rich compounds like glucose from sunlight (Photosynthesis)?

300

What is the difference between a primary and secondary consumer?

What is herbivore vs carnivore?

300

Name the type of graph created when there are no limiting factors.

What is exponential?

300
Double Jeopardy: a diagram that shows the amount of energy that moves from one feeding level to another in a food web.
What is an energy pyramid.
300

How much energy is lost from one organism to another when feeding on one another?

What is 90%?

300

What do invasive species do the to carrying capacities of native organisms?

What is lower them?

400

These organisms are the source of all energy in an ecosystem.

What are producers?

400

Name the type of graph created when there is limiting factors.

What is logistic?

400
Which diagram is a more realistic portrayal of how an ecosystem transfers energy: food web or food chain? Explain.
What is food web.
400
Identify the energy roles of the following organisms in a pond ecosystem: tadpole, algae, heron.
What is algae: producer Tadpole: herbivore/first level consumer Heron: consumer/ carnivore/ second level consumer
400

I eat dead organisms but do not bring nutrients back to the earth. What am I?

What is a scavenger?

500

What is the complete role of decomposers? Be specific

Break down dead organisms and return energy back into the soil for the producers.

500

Discuss 3 ways human activities can alter the carrying capacity of an ecosystem.

Varies

500

What is an ecological niche?

the specific job an organism has. For example, wolve's niche is to keep deer population low.

500

Why is energy flow different in a food web compared to a food chain?

Food webs are more complete and cyclical. Food chains are one direction, linear.

500

 Explain the concept of "density-dependent" versus "density-independent" limiting factors.

What is dependent = matters if animals are close / independent = doesn't matter how close the animals are?