Populations and Resources Chapter 1

Front

What is the main focus of our Amplify unit story?

Back

Moon Jellies

Front

What explains the decrease in the size of a bluefish population?

Back

Fewer bluefish were born than died.

Front

What is an ecosystem made up of?

Back

Living things and nonliving things.

Front

What explains the increase in the size of a tiger population?

Back

More tigers were born than died.

Front

What must be true about a squirrel population that has stayed the same?

Back

The number of squirrels that were born was the same as the number of squirrels that died.

Front

Define 'population' in an ecological context.

Back

A population is a group of individuals of the same species living in a specific area.

Front

What factors can affect population size?

Back

Birth rates, death rates, immigration, and emigration.

Front

What is the role of predators in an ecosystem?

Back

Predators help control the population of prey species.

Front

What is the difference between biotic and abiotic factors?

Back

Biotic factors are living components of an ecosystem, while abiotic factors are nonliving components.

Front

How do resources affect population growth?

Back

Availability of resources like food, water, and shelter can limit or promote population growth.