M12L2 Review

Front

What are decomposers?

Back

Decomposers are organisms that break down dead or decaying organic material, returning nutrients to the ecosystem. Examples include bacteria and fungi.

Front

Name two examples of decomposers.

Back

Bacteria and fungi.

Front

What is the greenhouse effect?

Back

The greenhouse effect is the process by which certain gases in the atmosphere trap heat, keeping the Earth's surface warm.

Front

What gases contribute to the greenhouse effect?

Back

Common gases include carbon dioxide (CO2), methane (CH4), and water vapor.

Front

What is prey in an ecological context?

Back

Prey refers to an organism that is hunted and eaten by a predator.

Front

Define mutualism.

Back

Mutualism is a symbiotic relationship where both organisms involved benefit from the interaction.

Front

Give an example of mutualism.

Back

An example of mutualism is the relationship between bees and flowering plants, where bees get nectar and plants get pollinated.

Front

What is the impact of fertilizer use on aquatic ecosystems?

Back

Fertilizer use can lead to algal blooms in water bodies, which can create dead zones by depleting oxygen levels.

Front

What is symbiosis?

Back

Symbiosis is a close and long-term interaction between two different species, which can be beneficial, neutral, or harmful.

Front

What is parasitism?

Back

Parasitism is a type of symbiotic relationship where one organism benefits at the expense of the other.