EE Ecology Flow of Energy

An organism that needs to eat other organisms to obtain energy is known as a:

• autotroph
• producer
• heterotroph
• mutualist

Heterotroph that eats only producers...

• omnivore
• herbivore
• scavenger
• carnivore

Every food chain must start with a ...?

• producer
• sun
• consumer
• decomposer

A connection of food chains with all the food energy paths in an ecosystem is a ...

• ecosystem
• food web
• food chain
• ecological pyramid

An organism that gets energy from breaking down dead organisms or waste ...

• producer
• consumer
• decomposer
• autotroph

An animal that gets energy from eating both plants and animals is a(n) ...

• herbivore
• carnivore
• omnivore
• autotroph

Which of the following is NOT a consumer?

• cyanobacterium
• mushroom
• vulture
• human

Which of the following is an herbivore?

• cricket
• frog
• hawk
• shrew

Study of the interactions between organisms and their environment... 

• niche
• community 
• ecology
• ecosystem

What percentage of energy is passed on to each tropic level?

• 10%
• 50%
• 90%
• 100%