SB5 Vocab Quiz

Match the following

• Number and variety of living organisms; includes genetic, species, and ecological types.

• Biomass

• An inherited characteristic that increases the chance of survival.

• Biodiversity

• The total amount of all living things in a given area.

• Abiotic

• An organism that can generate its own food through the process of photosynthesis.

• Adaptation

• Non-living factors in an environment.

• Autotroph

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Match the following

• The amount of organisms of a species that one ecosystem can sustainably support.

• Carrying Capacity

• The process of the exchange of carbon between the atmosphere, the geosphere, and the biosphere.

• Carbon Cycle

• All the living organisms in an ecosystem.

• Biotic

• An organism that must consume food to generate cellular energy.

• Consumer

• An unexpected change in the average weather conditions experienced on Earth.

• Climate Change

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Match the following

• A limiting factor that does NOT depend on the number of organisms (hurricanes, forest fires, etc.)

• Ecosystem

• An image that shows how energy is passed up through the trophic levels in a food web.

• Density Dependent Limiting Factor

• A limiting factor that depends on the number of organisms in an area (food, space, disease, etc.)

• Energy Pyramid

• The biotic and abiotic factors of an area interacting with each other.

• Decomposer

• An organism that breaks down and gains nutrients from the remains of other deceased organisms.

• Density Independent Limiting Factor

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Match the following

• The nonrenewable natural resources that are characterized by the carbon they contain.

• Fossil Fuels

• A graphical representation of the many feeding relationships in a community.

• Food Chain

• One small piece of a food web that shows the energy transfer in a community.

• Food Web

• One of the many impacts humans have on the environment that has caused the most damage.

• Heterotroph

• An organism that must consume food to generate cellular energy.

• Habitat Destruction

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Match the following

• The cycling of nitrogen throughout the Earth's spheres; requires nitrogen-fixing bacteria.

• Nitrogen Cycle

• All organisms of the same Species living in the same place at the same time.

• Species

• 10% of energy is passed on to the next trophic level while 90% is "lost as heat" due to metabolism.

• Population

• A group of organisms that are genetically similar enough to breed and produce fertile offspring.

• Ten Percent Rule

• A species in an ecosystem that all other species rely on for system balance (i.e. Grizzly Bears).

• Keystone Species

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