APES Unit 8 Review

Front

What does the presence of fecal coliform bacteria indicate?

Back

It suggests that untreated animal waste has contaminated the water.

Front

How does the presence of plastics on the ground affect photosynthesis rates?

Back

Photosynthesis rates will decrease as less light can get to the grass.

Front

Which organisms in a food web contain the highest concentration of chemical pollutants?

Back

Tertiary consumers.

Front

What is a persistent inorganic pollutant that can impair neurological functioning?

Back

Lead.

Front

What is leachate?

Back

Water that collects contaminants as it moves downward.

Front

What is the primary source of fecal coliform bacteria in water bodies?

Back

Untreated animal waste and sewage.

Front

What is bioaccumulation?

Back

The process by which organisms accumulate toxic substances in their bodies over time.

Front

What is the significance of tertiary consumers in an ecosystem?

Back

They are at the top of the food chain and can accumulate the highest levels of pollutants.

Front

What role do producers play in an ecosystem?

Back

They convert sunlight into energy through photosynthesis, forming the base of the food web.

Front

What is the impact of heavy metals like lead on human health?

Back

They can cause neurological damage and other serious health issues.