Food Chain/Food Web Recap

Food Chain/Food Web/ Owl Pellet Dissection Recap

Multiple Choice

Which is a synonym for an autotroph?

• heterotroph

• consumer

• producer

Autotrophs vs. Heterotrophs

Autotrophs make, or produce food for the rest of the ecosystem.

Heterotrophs consume the autotrophs, or other heterotrophs

Examine the diagram

What is the role of the fungi?

Multiple Choice

What is the role of the fungi?

• autotroph

• heterotroph

• decomposer

• carnivore

• consumer

Multiple Choice

Which of the following are the main producers of marine ecosystems?

• phytoplankton

• plants

• bacteria

• zooplankton

PHYTOPLANKON

Microscopic marine algae, either dinoflagellates or diatoms

Multiple Select

Why is phytoplankton important - select all that apply:

• it is the basis for marine food webs

• provides 50% oxygen for life on earth

• removes detritus from environment

• removes excess CO₂ from atmosphere

• allows corals to build hard limestone structures

Use the food chain to answer the questions that follow....

Multiple Choice

Which organism is the producer of this ecosystem?

• phytoplankton

• krill

• fish

• leopard seal

Multiple Choice

Which organism is the herbivore?

• phytoplankton

• krill

• fish

• leopard seal

Multiple Choice

Which organism is the secondary consumer?

• phytoplankton

• krill

• fish

• leopard seal

Multiple Choice

Which organism is the apex predator?

• phytoplankton

• krill

• fish

• leopard seal

Multiple Choice

Which of the following statements best describes the transfer of energy between a fish and a shark, if the fish contains 4000 kJ of energy?

• A. The fish received the 4000 kJ of its energy from the shark.

• B. The shark will receive exactly 4000 kJ of available energy from the fish.

• C. The fish will receive less than 4000 kJ of available energy from the shark.

• D. The shark will receive less than 4000 kJ of available energy from the fish.

Multiple Choice

If the population of herbivores (such as squirrels, field mice, quail, and beetles) was removed, what would be the long term effects of available energy in the ecosystem above?

• A. The energy available for the producers would increase.

• B. The energy available for the tertiary consumers would decrease.

• C. The energy available for the primary consumers would decrease.

• D. The energy available for the secondary consumers would increase.

Multiple Choice

What percentage of energy gets transferred from one trophic level to another trophic level?

• 1%

• 10%

• 90%

• 100%