Ecosystems

diatom -> midge larva -> brown trout -> great cormorant

In this food chain, the brown trout is a secondary consumer. Why?

• It eats a producer.
• It eats a secondary consumer.
• It eats a primary consumer.
• It eats a top consumer.

slender wheatgrass -> katydid -> deer mouse -> red fox

In this food chain, the katydid is a primary consumer. Why?

• It makes its own food.
• It eats a primary consumer.
• It eats a secondary consumer.

A _____ consumer eats producers.

• primary
• secondary
• tertiary
• top

A _____ consumer eats primary consumers.

• primary
• secondary
• tertiary
• top

A _____ consumer is the animal at the top of a food chain.

• primary
• secondary
• tertiary
• top

A _____ consumer eats secondary consumers.

• primary
• secondary
• tertiary
• top

seagrass -> sea squirt -> butterfish -> weakfish

In this food chain, the weakfish is a tertiary consumer. Why?

• It makes its own food.
• It eats a secondary consumer.
• It eats a tertiary consumer.
• Its a decomposer.

brown seaweed -> queen conch -> Caribbean lobster -> Caribbean reef shark

The Caribbean reef shark is a carnivore. Why? 

• It eats a producer.
• It makes its own food.
• It eats a consumer.
• All of the above.

bear sedge -> collared lemming -> short-tailed weasel -> Arctic fox

The collared lemming is an herbivore. Why?

• It hunts and eats a primary consumer.
• It eats a producer.
• It makes its own food.
• None of the above.

kelp -> halfmoon -> sea lion -> orca

The sea lion is a predator. Why?

• It makes its own food.
• It hunts and eats a consumer.
• It eats a producer.
• It is being hunted.