U7 Ecology

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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In this Food Web Pyramid Which type of consumer gets only 10% of the energy stored in plants?

• Herbivore
• Carnivore
• Omnivore
• Secondary Consumer

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The nonliving aspects of an ecosystem.

• Abiotic factors
• Biotic factors

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A collection of organisms that belong to different populations but all live in the same area and interact with one another.

• Population
• Ecosystem
• Community
• Ecosphere

In the wild, some alligators gets their teeth cleaned by birds. The birds gets their food from the alligators' teeth.

What type of symbiosis is this?

• Mutualism

• Commensalism

• Parasitism

• Neutralism

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In an ecosystem, there are populations of moose, rabbits, grass, and pine trees. Suddenly, a fire blazes through the area, which kills all of the populations. As the months go on, new species of grass begin to take root. This attracts animals, and eventually the ecosystem is restored.

What type of ecological succession happened?

• Primary succession

• Secondary succession

• Tertiary succession

• None of the above

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What is the carrying capacity of the graph?

• 1000

• 8000

• 800

• 600

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When birth rate is high and death rate is low...

• population increases

• population decreases

• population stays the same

• all of these

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Who does the owl get energy from? 

• Grass
• Grasshopper
• Mouse
• Ow

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The phenomenon by which toxins concentrate in the organisms at higher trophic levels within an ecosystem is known as...

• Biotoxicity

• Biomagnification

• Eutrophication

• Predation