Lesson One
Lesson Two
Lesson Three
Lesson Four
100
An animal without a backbone is called an ______.

Invertebrate 

100

A cold-blooded animal __________

cannot keep a constant body temperature 

100

The circulatory system is made up of the

The heart, blood vessels, and blood 

100

An organisms __________ is how long it can usually live in the wild.

Life Span 

200

What is an arthropod?

an invertebrate with jointed legs and a body divided into sections

200

An animal that lives part of its life in water and part of it on land is

Amphibians. 

200

What does the Excretory system do?

Removes waste 

200

The stages of growth and change make up an organisms ________

Life Cycle 

300

A hard protective outer covering that keeps moisture in is called an ________

exoskeleton 

300

Animals are classified as vertebrates if they 

have a backbone 

300

This system consists of the brain, spinal cord, nerves, and sense organs.

The nervous system 

300

What is an instinct?

an inherited behavior 

400

If an animals body parts match around a midpoint or central line, that animal has 

Symmetry 

400

Are reptiles cold-blooded or warm-blooded?

cold-blooded 

400

Which body system controls all of the other system in an animal's body?

The nervous system 

400

The passing of traits from parents to their offspring is known as ________. 

Heredity 

500

Three worms that we learned about are: 

Flatworms, Roundworms, and Segmented worms.

500

The only warm-blooded animals with body covering of feather are 

Birds 

500

These two systems work together to move the body 

The skeletal and muscular systems. 

500

An organism that is produced by only one parent organism is called

Budding or Regeneration