Chapter 29 Quiz 3

When using a dichotomous key to identify organisms, what do we look at?

• habitat

• morphology

• genetic similarity

• evolutionary relationship

Which of the four animals could be a snake?

• P

• Q

• R

• S

Which of the following is not a common features of ants, spiders and centipedes?

• Segmented body

• Jointed legs

• Vertebral column

• Exoskeleton

What is A?

• Ant

• Snail

• Spider

• Centipede

What is B?

• Ant

• Snail

• Spider

• Centipede

What is C?

• Snail

• Earthworm

What is D?

• Ant

• Spider

What is E?

• Ant

• Spider

A dichotomous key consists of a series of steps, each having two options.

• True

• False