MS LS2 4

What does Trophic Level mean?

• Each several levels in an ecosystem charted in an energy pyramid

• Each several animals in an ecosystem in a food web

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What is an Energy Pyramid?

• A model that show how many of each species that there is in one ecosystem all over the world

• A graphic model of energy cycling through trophic levels in an ecosystem

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What does Biomass mean?

• The minimum mass of organisms

• The maximum mass of organisms

• The total mass of organisms

What does Excretion mean?

• The process of respiration

• The process of eliminating waste matter

• The process of photosynthesis

• The process of chemical reactions

What is Fossil Fuel?

• A natural fuel such as coal, or gas

• A natural animal, not genetically made

• Natural Resources

Resilience describes an ecosystem's ability to maintain dynamic equilibrium.

• True

• False

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The ability of an ecosystem to recover quickly and resist damage after disasters

• Ecology

• Environmental Science

• Biodiversity

• Ecosystem Resilience

What will happen to a population if they do not have enough resources?

• The population will grow bigger

• The population will all die

• The population will have to move away or they will die

• The population will sit and wait for new resources

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After a volcano eruption what type of succession beings on the new rock environment?

• Climax community

• primary succession

• secondary succession

• biodiversity

What is a food web?

• A network of interconnected food chains in an ecosystem

• A single linear sequence of organisms each feeding on the next

• A diagram showing the energy flow in a single direction

• A chart of the population sizes of different species

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