Food Chain/Food Web Recap

Food Chain/Food Web Recap

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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

Algae & phytoplankton depend on sunlight and nutrients from water to survive. Suppose currents have been disrupted and upwelling has stopped. How will sharks be impacted this change?

Open Ended

Algae & phytoplankton depend on sunlight and nutrients from water to survive. Suppose currents have been disrupted and upwelling has stopped. How will sharks be impacted this change?

Multiple Choice

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

• 1%

• 10%

• 90%

• 100%

Multiple Choice

Suppose you have 10,000g of grain. How many g of cow would this food support?

• 100

• 1,000

• 10,000

• 100,000