Food Web & Energy Pyramid Quiz #2

On which level would a secondary consumer like a snake be found?

• A

• B

• C

• D

Which of the organisms in this food web gets energy from both producers and consumers?

• Shrimp

• Anchovy

• Algae

• Snail

Based on the information below on an animal and what it eats, which level would grass be found in this energy pyramid?

Animal Diet

Mice eat Grass, clover, oats

Hawks eat Rabbits, snakes, mice

Snakes eat Grasshoppers, mice, rabbits

Rabbits eat Grasses, clover, oats

• A

• B

• C

• D

A food chain is represented below.

Which organism in the food chain is a tertiary consumer?

Phytoplankton--> shrimp--> mackeral (fish)--> sea gull

• phytoplankton

• shrimp

• mackeral (fish)

• sea gull

• there is none

A food pyramid represent the relative amount of energy in trophic levels. Which of the following correctly shows a food pyramid?

• A
• B
• C
• D

If these organisms were arranged in an ecological biomass pyramid, which organism would have the least amount of biomass?

• coyote
• insect
• lizard
• shrub

How many primary consumers are there in this food web?

• 1

• 2

• 3

• 4

Which organisms would likely have the largest biomass?

• mountain lions and eagles
• snakes and frogs
• squirrels and deer
• flowers, trees and fruit

Which of the following is most likely to cause the greatest decrease in the snake population?

• a decrease in the hawk population

• an increase in the grasshopper population

• a decrease in the mouse population

• a decrease in the vulture population

Which of the following is most likely to cause the greatest increase in the crab population?

• A decrease in the mussel population

• An increase in the anchovy population

• A decrease in the algae population

• A decrease in the croaker population