Ecology Unit Review

What is the definition of a population in ecology?

• A group of the same species, same place, same time, interbreed

• A single individual living thing

• A group of different species in the same area

• A group of organisms in different places

What is the maximum number of organisms in a species that an environment can support called?

• Trophic cascade

• Keystone species

• Limiting factor

• Carrying capacity

Tags

NGSS.MS-LS2-4

What is the term for a species that has a dramatic impact on an ecosystem?

• Invasive species

• Endangered species

• Keystone species

• Mutualistic species

What is the main source of energy for all living things in an ecosystem?

• Wind energy

• Thermal energy

• Sunlight energy

• Geothermal energy

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which process returns nutrients in organisms back to the ecosystem?

• Photosynthesis

• Respiration

• Decomposition

• Transpiration

Tags

NGSS.MS-LS2-3

What is the process where water vapor condenses into droplets called?

• Transpiration

• Evaporation

• Condensation

• Precipitation

Tags

NGSS.MS-ESS2-4

What is the term for the process of adding carbon to the atmosphere by burning fossil fuels?

• Respiration

• Combustion

• Decomposition

• Photosynthesis

What is the term for the process of nitrogen being fixed into usable forms by nitrogen-fixing bacteria?

• Nitrification

• Nitrogen fixation

• Denitrification

• Ammonification

What is the term for the stable community that does not change much in an ecosystem?

• Primary community

• Climax community

• Pioneer community

• Secondary community

What is the term for the process of how ecosystems change over time?

• Evolution

• Adaptation

• Succession

• Mutation

Tags

NGSS.MS-LS2-1