ES flashcard

Front

Do bacteria consume oxygen?

Back

True

Front

How are dead zones in the Gulf of Mexico created?

Back

All answers are correct

Front

Do people contribute to dead zones in aquatic environments?

Back

Yes

Front

What is a dead zone?

Back

An area with low oxygen

Front

In negative feedback loops, inputs and outputs cancel each other resulting in ________.

Back

stabilizing the system

Front

What is the primary cause of dead zones in aquatic environments?

Back

Nutrient pollution leading to algal blooms

Front

What role do algal blooms play in the creation of dead zones?

Back

They consume oxygen when they decompose, leading to low oxygen levels.

Front

What is hypoxia?

Back

A condition where oxygen levels are insufficient to support most marine life.

Front

What are some human activities that contribute to nutrient pollution?

Back

Fertilizer runoff, sewage discharge, and industrial waste.

Front

What is the significance of oxygen in aquatic ecosystems?

Back

Oxygen is essential for the survival of fish and other aquatic organisms.