ENERGY FLOW
ECOSYSTEMS
FOOD CHAINS
PRODUCERS AND CONSUMERS
Vocabulary
100

How does energy transfer from producers to carnivores?

animals that eat plants eat the producers, and then carnivores eat those animals

100

What would happen to an ecosystem if a key species went extinct?

it could disrupt the food web and harm other populations

100

What is an example of a consumer that eats a producer in a forest ecosystem?

answers will vary

100

What is the difference between a herbivore and a carnivore?

a herbivore eats plants, while a carnivore eats animals

100

A living thing that eats other living things

consumer

200

Why would carnivores eventually go extinct without the Sun?

because plants, which are at the base of all food chains, cannot grow without sunlight

200

How does the loss of decomposers affect an ecosystem?

dead material builds up, and nutrients aren’t recycled

200

What happens if all the producers in a food chain are removed?

the rest of the food chain collapses because no energy is available

200

What is the main difference between producers and consumers in how they obtain energy?

producers make their own energy through photosynthesis, while consumers get energy by eating other organisms

200

An animal that is hunted by and eaten by another animal

prey

300

What materials do producers use to make food?

water, air, and nutrients from the soil

300

Which of the following is the BEST example of a food chain?
a) Grass → Rabbit → Fox
b) Sun → Water → Soil
c) Plant → Tree → Forest
d) Rock → Moss → Deer

a) Grass → Rabbit → Fox

300

What is the difference between a food chain and a food web?

What is a food chain is a single pathway of energy flow, while a food web shows interconnected food chains

300

What do decomposers do in an ecosystem?

break down dead plant and animal matter

300

the tiny holes on plant leaves that take in carbon dioxide and release oxygen

stomata