Food Chain/Web BR

What does a Primary (1st-order) Consumer eat?

• Tertiary Consumers
• Secondary Consumers
• Producers
• Nothing

An organism that lives by breaking apart dead plants and animals and returning nutrients to the soil is a..

• scavenger
• consumer
• decomposer
• carnivore

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

Why might an organism have more than one arrow coming from them in a food web?

• More than one organism may eat them. 
• They may eat more than one other organism. 
• This organism gets its energy from multiple sources. 
• They have no resources available to them.

What does a food web show?

• the flow of food between animals

• the flow of energy through an ecosystem

• the flow of water through an ecosystem

• the flow of food between decomposers

Which group of living things makes up the bottom level of an energy pyramid?

• consumers

• herbivores

• carnivores

• producers

What is the ultimate source of energy for most organisms?

• The Sun

• The Earth

• Plants

• Producers

Organisms that create their own energy from sunlight or chemicals

• Herbivore
• Omnivore
• Autotroph
• Heterotroph 

Which consumer (s) would decrease if the frog was removed from the ecosystem?

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

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