Food Chains, Food Web, and Food Pyramids

Which organism in this food chain is a producer?

• Fish
• Grass
• Grasshopper
• Hawk

In this food pyramid, which level has the greatest amount of energy?

• Producers
• Primary Consumers
• Secondary Consumers
• Tertiary Consumers

How much energy is passed from one trophic level to the next?

• 1%
• 10%
• 50%
• 100%

In this food chain, the bacteria is most likely acting as a -

• predator
• competitor
• decomposer
• producer

each level of the food chain is called a ________ level.

• Food-eating
• Trophic
• Sunlight
• Energy

Only about ten percent of the energy stored in an organism can be passed on to the next trophic level. Of the remaining energy, some is used for the organism’s life processes, and the rest is typically...

• used in reproduction

• stored as body fat

• stored as body tissues

• converted to heat and lost

Which organism recieves the least amount of energy from the producer?

• Owl
• Grasshopper
• Lilypad
• Mouse

Which organism do the owl and the weasel compete for in the food web?

• Hawk
• Spider
• Grasshopper
• Shrew

Which level will contain plants?

• A
• B
• C
• D

Which animal is the top of this food web?

• mosquito

• alligator

• frog

• raccoon