Animal Diversity Review

A worm is an example of a(n) ___________ because it does not have a backbone

The more similar the _________ between two animals is, the more closely they are related

thick, hard outer covering that protects and supports animals’ bodies

Which animals have tentacles containing stinging cells called nematocysts?

flexible, rod-shaped structure that supports the body of a developing chordate

animal with a backbone

animal that does not have a backbone

body organization that can be divided into two parts nearly same images of each other anywhere through the central axis

body organization that can be divided into two parts that are nearly mirror images of each other

Animals have a protein called __________, which surrounds the cells and helps them keep their shape.

female sex cell that forms in an ovary

____________are the simplest of the invertebrates, with no organs or body symmetry

An animal with __________has body parts that are nearly mirror images of each other

_______use gizzards to grind food

Which objects are characteristics of all chordates?

__________have exoskeletons and several pairs of appendages

body organization that cannot be divided into any two parts that are nearly mirror images of each other

A(n) _________ is an animal with a backbone, such as a fish, human, or lizard

All vertebrates have spines made of_______

animal that has a notochord, a nerve cord, a tail, and structures called pharyngeal pouches

An animal with ____________ has body parts that are nearly mirror images anywhere through its central axis

__________use mammary glands to feed young

_________have fins and gills

_________spend part of their lives on land and part in water

__________ have bilateral symmetry and a rounded, simple body covered with a cuticle

structure, such as a leg or an arm, that extends from the central part of the body

Scientists classify the members of the animal kingdom into nine major________

small, flat plate that forms part of an animal’s external covering

Most animals reproduce______________ and are capable of movement at some point in their lives.

__________have radial symmetry, move on tiny tube feet, and include sea stars

Which life-form is NOT an arthropod

How many openings does the digestive system of a vertebrate have?

___________have soft bodies with bilateral symmetry, and include snails and clams

Members of Kingdom Animalia are multicellular and _________

An animal with ___________has body parts arranged in a way that cannot be divided into matching parts

existing inside something

organism, such as a frog, toad, and salamander, that spends part of its life in water and part on land