NC EOC Review: Ecology

Front

What is the ultimate source of energy for all life on Earth?

Back

The Sun.

Front

What is it called when a population's birth and death rates are nearly equal and balance each other out?

Back

Dynamic equilibrium.

Front

What role do organisms such as mushrooms, worms, and bacteria play in an ecosystem?

Back

They are decomposers that break down dead materials.

Front

What does a j-curve graph demonstrate?

Back

Exponential growth.

Front

What happens to a population if the birth rate is greater than the death rate?

Back

The population will increase.

Front

What is the definition of an ecosystem?

Back

A community of living organisms interacting with their environment.

Front

What are producers in an ecosystem?

Back

Organisms that create their own food, typically through photosynthesis.

Front

What is the difference between a food chain and a food web?

Back

A food chain is a linear sequence of organisms, while a food web is a complex network of interconnected food chains.

Front

What is carrying capacity?

Back

The maximum population size that an environment can sustain indefinitely.

Front

What is the role of consumers in an ecosystem?

Back

Organisms that obtain energy by consuming other organisms.