Pre-AP Bio Fall 2024 Midterm MOD

Front

What is a consumer in an ecosystem?

Back

An organism that needs to eat other organisms to obtain energy.

Front

What role do producers play in a food web?

Back

Producers are the largest group of organisms in a food web and they create energy through photosynthesis.

Front

What are pioneer species?

Back

Pioneer species are the first organisms to colonize a barren environment, such as mosses and lichens in primary succession.

Front

What is primary succession?

Back

Primary succession is the process of ecological change that occurs in an area where no soil exists, starting with pioneer species.

Front

What factors can lead to an increase in rabbit populations?

Back

Fewer predators can lead to an increase in rabbit populations.

Front

What is the significance of decomposers in an ecosystem?

Back

Decomposers break down dead organic matter, recycling nutrients back into the ecosystem.

Front

How do volcanoes contribute to carbon dioxide levels in the atmosphere?

Back

Volcanoes release carbon dioxide during eruptions, adding to atmospheric levels.

Front

What is the impact of combustion of fossil fuels on the environment?

Back

Combustion of fossil fuels releases carbon dioxide and other greenhouse gases, contributing to climate change.

Front

What is the difference between autotrophs and heterotrophs?

Back

Autotrophs produce their own food (e.g., plants), while heterotrophs (consumers) obtain energy by eating other organisms.

Front

What is the role of respiration in the carbon cycle?

Back

Respiration by animals and plants releases carbon dioxide into the atmosphere, which is then used by plants for photosynthesis.