L2.7 Ecosystem Producers Quiz

What is another term for a producer in an ecosystem?

• Consumer

• Decomposer

• Autotroph

• Heterotroph

What is the primary characteristic of a producer?

• They consume other organisms for energy.

• They decompose organic material.

• They make their own food.

• They rely on the sun for warmth only.

Producers are usually which types of organisms?

• Animals and fungi

• Bacteria and animals

• Plants and one-celled organisms

• Fungi and bacteria

At which level do producers exist in a food chain?

• Second level

• Third level

• Top level

• First level

What is the primary producer in the Glacier Sea Food Web shown in the image?

• Zooplankton

• Sea turtle

• Algae

• Sea urchin

Which organism is at the top of the food web in the Glacier Sea Food Web?

• Moon jelly

• Orca

• Walleye pollock

• Kelp

Which organism directly provides energy for the sea turtle in the Glacier Sea Food Web?

• Zooplankton

• Moon jelly

• Walleye pollock

• Kelp

In the Glacier Sea Food Web, what does the walleye pollock primarily feed on?

• Algae

• Zooplankton

• Sea turtle

• Kelp

What could have caused the births to increase or the deaths to decrease in the moon jelly population?

• Overfishing of moon jelly predators

• Increased water pollution

• A decrease in plankton, their main food source

• Harsher ocean currents

According to Claim 1, what is one possible reason for the increase in the moon jelly population after 2000?

• There was an increase in deaths.

• There was a decrease in births.

• There was an increase in births.

• There was no change in the population.