Ecosystems Unit Test Review

The level with the most energy found in a food web would be:

• Primary Consumers
• Producers
• Decomposers
• Tertiary Consumers

The arrows in a food chain or web represents what?

• They point to the organism that is being eaten.
• It shows how sunlight flows within an ecosystem.
• They show what direction the energy is flowing between organisms. 
• They represent how water is transferred within a habitat.

The animals that predators eat are......

• Predators
• Consumer
• Birds
• Prey

What may happen if the snowshoe hare was removed from the food web pictured?

• The insects in the habitat would increase.
• The shrew population would decrease due to being only hawk food source.
• The willow tree population would decrease.
• Foxes would dies due to no food source. 

The rabbit in this food web would be considered a:

• Decomposer
• Producer
• Secondary Consumer
• Primary Consumer

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

All food chains begin with a ____________.

• primary consumer
• secondary consumer
• producers
• scavengers

The mouse in this food web would be considered a:

• Primary Consumer
• Producer
• Tertiary Consumer
• Secondary Consumer

Tags

NGSS.HS-LS2-4

Does this food web have arrows pointing the right way?

• yes
• no

Tags

NGSS.MS-LS2-3

A living thing that breaks down dead plants and animals; they turn dead material into fertile soil.

• decomposer
• scavenger
• consumer
• producer

In an energy pyramid, energy_______ as you move up the pyramid.

• Increases
• Decreases
• Stays the same
• Changes up and down