Ecology Assessment

Front

Graphing the data shows:

Back

an increase in the population over time

Front

Causes of data pattern?

Back

the population's predators became less abundant

Front

Key difference between plants and animals:

Back

Plants use CO2 and water to make food; animals eat other organisms.

Front

Role of decomposers in an ecosystem:

Back

Break down dead and waste matter.

Front

A food web shows the flow of _____ through an ecosystem and the cycling of _____ within an ecosystem.

Back

energy, matter

Front

In the diagram, identify the producer.

Back

grass

Front

Original energy source for this food web:

Back

sun

Front

Ecosystem refers to:

Back

Living organisms and the physical environment.

Front

Statement about introduced species:

Back

Their impact on the local ecosystem is difficult to predict.

Front

Disruptions in ecosystems:

Back

caused by abiotic and biotic factors.