Revision on Ecology

​Revision on Ecology

Draw

Draw a pyramid of biomass for the food chain:

tree → caterpillar → bird

Draw

Draw a pyramid of numbers for the food chain:

tree → caterpillar → bird

Open Ended

Based on the diagram, explain how human activity at S could cause damage to the environment.

Open Ended

Based on the diagram, explain how human activity at T could cause damage to the environment.

Multiple Choice

In an energy pyramid, how much of the energy in the producers gets passed down to the herbivores?

• 10%

• 20%

• 80%

• 90%

Multiple Choice

The rabbit in this food web would be considered a _____.

• Decomposer

• Producer

• Secondary Consumer

• Primary Consumer

Multiple Choice

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

• coyote

• insect

• lizard

• shrub

Multiple Choice

What does a pyramid of numbers compare?

• the number of individual organisms at each trophic level

• the number of individuals in each population

• the number of predators and prey in an ecosystem

• the number of different populations at each trophic level

Multiple Choice

Which of the following removes carbon from the atmosphere?

• Combustion

• Respiration

• Photosynthesis

• Decomposition