Food chains and food webs part 2

What is a producer?

• an organism that gets energy from eating other organisms
• an organisms that uses sunlight to make its own food
• an organism that gets energy from eating dead organisms, non-living material or waste
• an organism that uses chemical energy to make its own food

Where does the energy start in this food chain?

• Plant
• Sun
• Deer
• Wolf

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

If the mouse population becomes sick and decreases, which statement about the food web will be true?

• The grass population will decrease.

• The hawk population will increase.

• The grass population will increase.

• The wildflower population will decrease.

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

• More than one organism may eat them and get energy from them.

• They may eat more than one other organism.

• This organism gets its energy from multiple sources.

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

• The willow tree will decrease

• red fox will decrease

• the lynx will increase

• Red tailed hawk will increase

Which organism has the most energy and which organism has the least amount of energy? Choose the best answer. 

• mosquito and grass
• mouse and grass
• grass and owl
• grass and small bird

Choose all that apply. The eagle gets energy directly from the _______.

• python

• butterfly

• corn

• frog

• rat

Choose all of the herbivores in the food web.

• lion

• goat

• rabbit

• snake

• mouse

Turtles eat earthworms, grubs, bugs, grasses, fruits and berries. Turtles are ______________.

• carnivores

• herbivores

• omnivores

• decomposers