Ecology 2

Autotrophs make up the _______ level in all ecosystems.

• First
• Second
• Third
• Fourth

What does a food web represent?

• All connections of energy flow throughout all organisms in a habitat.
• The specific ways that mutualism is carried out.
• A single pathway or energy flow between organisms. 
• How carnivores get their food. 

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An illustration that uses arrows to show the many possible directions in which matter and energy can pass through the organisms in an ecosystem.

• Food chain
• Food web
• Energy Pyramid
• Succession Map

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What are the plants in this picture? 

• Heterotrophs 
• Autotrophs
• Carnivores 
• Herbivores 

True or False:  It is possible for a carnivore to be a producer.

• False
• True

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In this food web, what is the grasshopper?

• producer
• tertiary consumer
• secondary consumer
• primary consumer

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In the energy pyramid here, which organisms have the most energy available?

• Producers
• Carnivores
• Herbivores
• Top Predator

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Use the following food chain to answer this question
Grass--> Insects--> Shrews-->Owl
What would happen if all the insects were to be eliminated?

• The grass would decrease and the shrews would increase
• the grass would decrease and the shrews would decrease
• the grass would increase and the shrews would decrease
• the grass would increase and the shrews would increase

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What do we call the maximum number of individuals that can survive in an ecosystem based on the resources that are available?

• Limiting Factors
• Carrying Capacity
• Population Density
• Emigration

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What do we call the factors that determine carrying capacity?

• limiting

• abiotic

• biotic

• population

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