6b Practice

In the food chain pictured, the source of energy for the water plant is ______.

• Sun
• Water Plant
• Mayfly
• Trout

Short Answer on Test: Why will having fewer insects affect the mice?

• The mice will not have enough insects to eat.
• It will not affect the mice.
• The mice will have too many insects to eat.

Bacteria and fungi typically serve what role in an ecosystem?

• herbivore
• carnivore
• omnivore
• decomposer

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 completes the food chain correctly?

• a rock

• a fox

• a plant

• an egg

What does the arrow point to in a food chain?

• only the plants in a food chain

• only the animals in a food chain

• the organism that gets the energy

• the organism that lives the longest

Which organism is getting energy from the mouse?

• cricket

• grass

• fox

• Sun

Which of these best completes the food chain shown?

• a shark

• a tree

• a rock

• a bird

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