Ecosystems Review

The non-living parts of an ecosystem are called

• Biotic factors

• Lava Flow

• Birds

• Abiotic factors

True/False
Food webs show you everything an animal eats. Food chains show you one thing.

• True

• False

What happens if a population grows past its carrying capacity?

• The population keeps growing

• The population starts to die off

• The entire species will go extinct

• The carrying capacity just increases

Something that controls the size of a population is called...

• a limiting measure

• a limiting factor

• carrying capacity

• biodiversity

What is a food chain?

• A diagram of an ecosystem that shows which organism is eaten by another organism.

• A group of animals living together.

• A type of plant found in tropical areas.

• A process by which water cycles through an ecosystem.

Which of the following is NOT an abiotic factor?

• Water

• Trees

• Rocks

• Air

What organisms can take energy from the sun to create its own energy in the form of glucose?

• Primary consumers

• Producers

• Secondary consumers

• Tertiary consumers

The primary consumer in this image is the....

• Hawk

• Grass

• Grasshopper

• Sparrow

In an energy pyramid, how much energy is transferred from one level to the next?

• 10%

• 100%

• 90%

• 1%

In an energy pyramid, how much energy is lost as heat as you move up each level?

• 1%

• 10%

• 90%

• 100%