Ch. 28- 29 Test Review

Information received from the environment that causes an organism to respond is called a

• response

• stimulus

• reaction

• trigger

The simplest nervous systems are called

• cephalopods

• motor neurons

• nerve nets

• sensory neurons

In vertebrates, the part of the brain that coordinates body movements is the

• olfactory lobe

• optic lobe

• cerebrum

• cerebellum

In this diagram of a grasshopper, letter L is pointing to which structures?

• ganglia

• brains

• nerve nets

• motor neurons

Which of the following animals uses a hydrostatic skeleton to move?

• arthropod

• sponge

• fish

• annelid

An arthropod's exoskeleton performs all of the following functions EXCEPT

• production of gametes

• protection of internal organs

• support of the animal's body

• prevention of loss of body water

Vertebrates have endoskeletons made of

• chitin

• cartilage and/or bone

• calcium carbonate

• bone only

Muscles generate force

• only when they lengthen

• only when they shorten

• when they lengthen or shorten

• all the time

Individual animals that produce both sperm and eggs are called

• gametes

• hermaphrodites

• fragments

• buds

A species that lays eggs that develop outside of the mother's body is

• oviparous

• viviparous

• ovoviviparous

• nonviparous