Relationships in Ecosystems

I am a living thing that can use energy from the sun to make food.

• decomposer
• consumer
• producer
• competition

I show the flow of energy through an ecosystem.

• producer
• consumer
• food chain
• competition

I am a living thing that must use other organisms as food to get energy.

• decomposer
• consumer
• competition
• energy pyramid

I am formed when food chains are linked together.

• food web
• producer
• consumer
• enrgy pyramid

I am an organism that breaks down and recycles the remains of dead organisms in an ecosystem.

• competition
• consumer
• decomposer
• food chain

I show the order, or sequence, in which organisms in an ecosystem consume one another.

• energy pyramid
• food web
• producer
• decomposer

I am the struggle that takes place among organisms for food, water, and others needed to live. 

• competition
• decomposer
• energy pyramid
• producer

Consumers include all of the following EXCEPT

• omnivores
• carnivores
• herbivores
• sunlight

Producers could not make food without

• decomposers
• sunlight
• carnivores
• worms

Herbivores, carnivores, and omnivores are all types of _____________.

• food chain
• decomposers
• consumers
• producers