CP3(C4)

Question 1

– this is thought to protect the wax layer from
abrasion of foreign subjects

Answer 1

Cement layer

Question 2

– prevent loss of water; important in the
resistance to invasion of pathogens; main barrier to the penetration of insecticides.

Answer 2

Wax layer

Question 3

– barrier between old and new cuticle
during molting

Answer 3

Cuticulin layer

Question 4

innermost layer

Answer 4

Homogenous layer

Question 5

– a group of soluble proteins

Answer 5

Arthropodins

Question 6

– forms a rubber-like framework, found sometimes in pure form in skeletal articulations

Answer 6

Resilin

Question 7

– stabilized proteins responsible for the hard, horny character of the cuticle

Answer 7

Sclerotins

Question 8

are the chemical
messengers of multicellular
organisms that allow the cells to
communicate and engage in
coordinated responses.

Answer 8

Hormones

Question 9

Two types of endocrine organs in insects

Answer 9

Neurosecretory cells
Specialized endocrine glands

Question 10

– mainly within the central nervous system

Answer 10

Neurosecretory cells

Question 11

– corpora cardiaca, corpora allata and prothoracic glands

Answer 11

Specialized endocrine glands

Question 12

Are maybe modified motor neurons which act to link the central nervous system with epithelial endocrine glands whose secretions control differentiation

Answer 12

Neurosecretory cells

Question 13

Arise embryologically as ingrowths of the dorsal wall of the stomodeum

Answer 13

Corpora cardiac

Question 14

Always found associated with the corpora cardiac but are true epithelial glands

Answer 14

Corpora allata

Question 15

Develop in close association with the salivary glands as ingrowths of the ectoderm in the labium

Answer 15

Prothoracic glands

Question 16

• the basic functional unit of the nervous
  system
• consists of a cell body, one or more
  axons and dendrites

Answer 16

Neuron/nerve cell

Question 17

• have a single stalk
  from the cell body that
  connects with the axon

Answer 17

Unipolar

Question 18

• cell body bears an
  axon & a single, branched or
  unbranched dendrite

Answer 18

Bipolar

Question 19

• have an axon and several branched dendrites

Answer 19

Multipolar

Question 20

Neurons ‘communicate’ with one another & with other cells either electrically or chemically via neurotransmitters through small space called _________.

Answer 20

SYNAPSES

Question 21

Area where neurons are concentrated

Answer 21

ganglia

Question 22

Composed of a double chain of
ganglia joined by longitudinal
connectives

Answer 22

Central Nervous System

Question 23

connects to the ventral chain of
ganglia via two connectives that
travel around the pharynx.

Answer 23

Brain

Question 24

is highly complex & innervates the
sense organs & muscles
associated the mouthparts,
salivary glands & neck region.

Answer 24

Sub-=esophageal ganglion

Question 25

- connects the brain to the stomatogastric subsytem

Answer 25

Frontal ganglion

Question 26

– associated with two endocrine glands

Answer 26

Hypocerebral ganglion

Question 27

– contain the sensory & motor centers for their respective segments

Answer 27

Thoracic ganglia

Question 28

– each abdominal segment possesses a ganglion with the final ganglion associated with the genitalia

Answer 28

Abdominal ganglia

Question 29

Nerves associated with the brain, salivary glands, and the foregut are the stomatogastric subsystem.

Answer 29

Visceral Nervous System

Question 30

All of the nerves with synapses to the central and the visceral nervous systems comprise the ________ _________ system.

Answer 30

Peripheral Nervous System

Question 31

3 Sensory Systems

Answer 31

Photoreceptor - detect light Chemoreceptor - detect chemical substances Mechanoreceptor - detect movements and vibration

Question 32

provides the power for locomotory and other movements. It is comprised of from several hundred to a few thousand individual muscle.

Answer 32

muscular system

Question 33

– to move one part of the exoskeleton in relation to one another

Answer 33

Skeletal muscles

Question 34

– forms layer of tissue enveloping internal organs such as heart, gut and reproductive tract

Answer 34

Visceral muscle