2.1 ENERGY FLOW IN ECOSYSTEM

All herbivores are _____.

• 
  producers

• 
  primary consumers

• 
  secondary consumers

• 
  tertiary consumers

An owl who eats snakes is a _________.

• 
  producer

• 
  consumer

• 
  decomposer

A food chain is?

• A chain made of food

• is used to show feeding relationship between organisms

  
  

• 
  All the animals in ecosystem

• is used to show the habitat of organisms

Pick the best name for the picture.

• 
  Food Web

• Ecosystem

• 
  Food Chain 

• 
  Habitat

___________ breaks down dead animals and plants into simpler materials or nutrients.

• 
  Consumer

• 
  Scavenger

• 
  Producer

• 
  Decomposer

An organism that uses sunlight to create its own food is known as a:

• 
  Producer

• 
  Consumer

• Heterotroph

  
  

• 
  Decomposer

A food _______ consists of many food ________.

• 
  pyramid, webs

• chain, webs

• 
  web, chains

• 
  web, pyramids

What does the arrow in a food chain or food web mean?

• 
  An organism that breaks down wastes and dead organisms.

• Shows what eats what and consists of many food chains in an ecosystem

• 
  The transfer (movement) of energy.

Select the reasons of energy loss in the food chain. (more than one answer)

• The consumer do not eat the whole organism (its food)

• 
  Movement of the organism

• 
  Respiration carried out

• 
  Other organism took it