Chapter 13

Which of the following is not an arthropod characteristic?

cephalization

The anterior body section of chelicerates is called the _____.

cephalothorax

Which of the following organisms belongs to the class Crustacea?

crab

Which of the following is not a characteristic of chelicerates?

mandibles

Which of the following organisms belongs to the class Diplopoda?

millipedes

Spiders digest their prey _____.

outside the body

Female spiders store sperm which is received from the male in a structure called the _____.

seminal receptible

Which of the following organisms belongs to the class Arachnida?

tick

Arachnids which transmit disease to humans are the _____.

ticks

What senses are located in the antennae of grasshoppers?

touch and smell

Millipedes are unusual because they have _____.

two pairs of legs on each abdominal segment

Spiders that build webs have special sense organs in their legs that detect _____.

vibrations