Energy Transfer

The first trophic level is

• Carnivore

• Producer

• Primary Consumer

• Herbivore

How many calories will be passed on from 2,587 to the next trophic level?

• 2,587.0

• 258.7

• 25.87

• 10%

Which trophic level makes its own food?

• producer

• carnivore

• herbivore

• animals

___% of energy is passed from one organism to another.

• 1

• 10

• 100

• 1000

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 shrew provides energy for the _______?

• cricket
• grasshopper
• frog
• snake

Which organism recieves the least amount of energy from the producer?

• Owl
• Grasshopper
• Lilypad
• Mouse

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

• The squirrel
• The shrew
• The deer
• The rabbit

For the following organisms, choose the correct order of increasing trophic level.

• fungi, deer, wolf and grass

• fungi, grass, wolf and deer

• grass, deer, wolf and fungi

• grass, fungi, wolf and deer

Energy flow in an ecosystem is best represented by _______.

• the prey/predator relationship

• food chains

• food webs

• autotrophs