Final Ecology Test

The diagram shows a food web for a community. Which organisms are carnivores?

• hare and fox

• hare and shrew

• spruce and hare

• hawk and fox

What is the original source of energy in most ecosystems?

• carbohydrates

• sunlight

• water

• carbon

If the grasshopper were to be removed completely from the food web, what organism would be most negatively affected?

• The squirrel

• The shrew

• The deer

• The rabbit

Which species was DIRECTLY affected by the wolves in Yellowstone?

• plants

• bears

• beavers

• elk

An animal that gets energy from eating both plants and animals is a 

• herbivore
• carnivore
• omnivore
• autotroph

The shrew provides energy for the _______?

• cricket
• grasshopper
• frog
• snake

What is this called?

• Food Web
• Food Chain
• Abiotic Factors

All food chains begin with a ____________.

• primary consumer
• secondary consumer
• producers
• scavengers

Which biome has a climate that is extremely cold and dry?

• forest
• tundra
• grassland
• freshwater

The freshwater biome includes all of the following EXCEPT

• lakes
• ponds
• oceans
• streams