FOOD CHAIN AND WEBS G2

Bacteria, fungi, and worms typically serve what role in an ecosystem?

• herbivore
• carnivore
• omnivore
• decomposer

Where does the energy start in this food chain?

• Plant
• Sun
• Deer
• Wolf

Which of these completes the food chain correctly?

• a rock

• a fox

• a plant

• an egg

Which of these is a possible food chain for this environment?

• Sun → grass → fly → frog

• frog → fly → grass → Sun

• Sun ← grass ← fly ← frog

• Sun → fly → frog → snake

What is the effect of removing prey from a food chain?

• All predators above them will die or suffer.

• The prey's predator will die or suffer, but everybody else should be fine.

• The prey will always, eventually, come back

• The predators population will grow

Recently, a family of bobcats moved into an area with a large rabbit population. What changes may occur in the ecosystem?

• The rabbit population may increase
• The rabbit population may decrease
• The rabbit population may increase first, then decrease
• The rabbit population will remain the same

An organism that lives by breaking apart dead organic matter into simpler parts is...

• scavenger
• consumer
• decomposer
• carnivore

What does a food chain represent?

• How all living organisms within a habitat are connected.
• All of the things that a particular animal eats.
• How plants create their own food.
• A single path of energy transfer within a habitat.

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.

What is this called?

• Food Web
• Food Chain
• Abiotic Factors