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2nd Grade Life Science Test 1



Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 1. 

The order in which animals eat plants and other animals is called
a.
a decomposer
c.
a habitat
b.
an ecosystem
d.
the food chain
 

 2. 

Organisms that break down and digest dead materials and wastes.
a.
decomposers
c.
omnivore
b.
consumer
d.
herbivore
 

 3. 

A predator
a.
only eats vegetation
c.
is an animal that is the prey
b.
lives on the surface of a host
d.
hunts other animals for food
 

 4. 

A behavior than an animal inherits from its parents.  It is not taught.  This is called
a.
inherited trait
c.
adaptation
b.
learned behavior
d.
instinct
 

 5. 

An animal that eats other animals is called 
a.
vegetarian
c.
omnivore
b.
a carnivore
d.
a herbivore
 

 6. 

To make more organisms of the same kind is called
a.
a life cycle
c.
reproducing
b.
the food chain
d.
consuming
 

 7. 

An animal that is hunted, caught, and eaten by another animal is called
a.
prey
c.
a carnivore
b.
a predator
d.
a consumer
 

 8. 

The stages of an animal’s life from birth to death is called
a.
an ecosystem
c.
the food chain
b.
a habitat
d.
a life cycle
 

 9. 

The change of water from one state to another as it moves through the Earth’s environment is called
a.
the food chain
c.
the life cycle
b.
the ecosystem
d.
the water cycle
 

 10. 

An animal that eats only plants is called a
a.
omnivore
c.
carnivore
b.
decomposer
d.
herbivore
 



 
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