Animal Attributes
Classifying Animals
Structure of Animals
Sponges and Cnidarians
Worms
100

An internal skeleton usually made of bone and cartilage

What is Endoskeleton?

100

Organisms with a backbone

What is a vertebrate?

100

Hallow ball of cells that form after fertilization of the zygote

What is a blastula?

100

Type of symmetry found in sponges

what is asymmetrical?

100

The three phyla in the animal kingdom that contain worms are roundworms, flatworms, and ________________

What are segmented worms?

200

A support structure in many soft bodied animals. Ex: Jellyfish

What is a Hydroskeleton?

200

All vertebrates belong to the Phyla __________

What is Chordata?

200

Most animals have _____(#)______ germ layers

what is three?

200

Name of the opening found in sponges. Where waste products are ejected.

What is the osculum?

200

Type of symmetry found in worms.

What is bilateral symmetry? 

300

Animals without the ability to produce their own food.

What is heterotroph?

300

Have the ability to regulate body temperature through metabolism.

What is endothermic animals?

300

The middle germ layer that forms muscle and circulatory systems.

What is the mesoderm?

300

Sponges do not have digestive systems, instead they have this structure.

What are collar cells?

300

The type of digestion worms use because they do have a digestive system to break down food.

What is extracellular digestion?

400

Animals consisting of a center midline, dividing them into two mirror image halves

What is bilaterally symmetrical? 

400

Ectothermic animals use ________ to maintain an optimum body temperature.

What is behaviors?

400

The outer most germ layer that forms the outer layer of the organisms body

What is the ectoderm?

400

The two forms of cnidarians. Examples include sea anemones and jellyfish.

What are polyp and medusa?

400

Some worms are termed to be _________________, because they contain both male and female reproductive systems.

What is hermaphrodites?

500

Animals can either be mobile or _______ (immobile) 

What is sessile?

500

Organisms that belong to the other 30 Phyla and do not have a backbone

What are invertebrates?

500

Concentration of sensory organs typically found in bilaterally symmetrical animals.

What is cephalization?

500

Nerve network found in cnidarians.

What is a nerve net?

500

Sensory organs that send information to the nerve cells of worms is called _____________

What is the ganglia?