Feeding Relationships

Why are autotrophs also called producers?

• They produce energy once they eat other organisms

• They make their own food

• They cannot make their own food

• All of these answers are correct

What is the primary source of energy for autotrophs?

• Water

• Sunlight

• Soil

• Other organisms

Which process do autotrophs use to make their own food?

• Respiration

• Photosynthesis

• Digestion

• Fermentation

Heterotrophs cannot make their own food and must go out and find their own food to eat.

• True

• False

Herbivores only eat....

• Plants

• Animals

• Bacteria

• none of these

Carnivores only eat meat

• True

• False

Omnivores only eat plants

• True

• False

Scavengers eat animals that have already....

• Underwent photosynthesis

• Eaten other animals

• died

• none of these

Decomposers break down dead and decaying matter into simpler molecules that can be absorbed in the soil.

• True

• False

Which animal is at the top of the food chain in this picture?

• Tuna fish

• Plants

• Plankton

• Shark