Unit 4 Lesson 1 Flashcard Review

Front

What is a scavenger?

Back

A scavenger is an animal that feeds on dead organisms or waste. Example: A crow eating a small mammal that has been killed on the road.

Front

What do the arrows in a food chain/web represent?

Back

The arrows in a food chain/web show which way the energy is flowing.

Front

Who is the primary consumer in a food chain?

Back

The primary consumer is the first consumer in the food chain that eats producers. Example: In a food chain with grass, grasshoppers, snakes, and hawks, the grasshopper is the primary consumer.

Front

What is an Energy Pyramid?

Back

An Energy Pyramid shows how much energy passes from one organism to another up the food chain.

Front

What is a producer?

Back

A producer is an organism that makes its own food through photosynthesis. Example: Plants.

Front

What is a consumer?

Back

A consumer is an organism that eats other organisms for energy. Example: Animals.

Front

What is a decomposer?

Back

A decomposer is an organism that breaks down dead material and recycles nutrients back into the ecosystem. Example: Fungi and bacteria.

Front

What is a food chain?

Back

A food chain is a linear sequence that shows how energy and nutrients flow from one organism to another.

Front

What is a food web?

Back

A food web is a complex network of interconnected food chains in an ecosystem.

Front

What is the role of a primary producer in an ecosystem?

Back

Primary producers convert sunlight into energy through photosynthesis, forming the base of the food chain.