Food Webs and Social Behavior

A producer is something that:

• Eats plants

• Makes its own food

• Eats animals

• Eats plants and animals

Producers are always at the __________ of a food chain

• Beginning

• Middle

• End

• Producers are not part of the food chain

Consumers...

• Make their own food

• Go through photosynthesis

• Eat other organisms

• Breathe in carbon dioxide

What do the arrows show in this food chain:

plant → grasshopper → bird → snake → owl.

• The arrow points from the organism being eaten to the organism that eats it.

• The arrow points from the organism that eats it to the organism that is being eaten.

• The arrow points from biggest animal to smallest animal.

• The arrow points from the consumers to the producers.

What is the producer in this food chain?

phytoplankton → krill → fish → shark

• Phytoplankton

• Krill

• Fish

• Shark

As you move through a food chain, the amount of energy stored....

• Increases

• Decreases

• Stays the same

• It depends on the ecosystem

How much energy does trophic level 2 store from trophic level 1? (and so on..)

• 1%

• 10%

• 50%

• 100%

An autotroph is another word for a ________, meaning it needs to ________

• Consumer, eat other animals

• Consumer, eat other plants

• Producer, make its own food

• Producer, survive without water

An heterotroph is another word for a ________, meaning it needs to ________

• Consumer, eat other organisms

• Consumer, go through photosynthesis

• Producer, make its own food

• Producer, survive without water

Which of these does most of the decomposing on Earth?

• bacteria and fungi
• millipedes
• worms
• roaches