Zoology is the study of

• bacteria & viruses

• living things

• animals

• plants & fungi

• macrobiology

Tags

NGSS.MS-LS4-2

Invertebrates are divided into 2 groups:

• cold-blooded & warm-blooded

• backbone & no backbone

• jointed legs & without legs

• exoskeleton & no exoskeleton

• based on their number of legs.

Which is NOT a characteristic of ALL animals?

• heterotrophic

• prokaryotic

• multicellular

• aerobic respiration

• Motile

ALL invertebrates have

• an open circulatory system.

• an endoskeleton.

• an exoskeleton.

• spiracles for breathing.

• antennae.

Which step of animal digestion occurs when undigested food is removed from the body?

• ingestion

• digestion

• absorption

• assimilation

• egestion

Which does NOT describe an open circulatory system?

• Seen in clams, crayfish, & insects

• blood flows through small vessels

• blood flows freely through body cells

• 1 vessel from the heart distributes blood

• blood is not contained in multiple vessels

How many hearts, or aortic arches, does an earthworm have?

• 1

• 2

• 3

• 4

• 5

The animal in this picture has ____ body symmetry.

• asymmetrical

• bilateral

• radial

• spherical

The animal in this picture has _____ symmetry.

• asymmetrical

• bilateral

• radial

• spherical

If a lab tells you to view the animal's posterior end, on its dorsal side, then you would look at its

• head end, on the top

• head end, on the belly

• back end, on the top

• back end, on the belly