Lesson 3 Insects, Arthropods and the Animal Kingdom

Question 1

To which Phylum do insects belong?

Answer 1

Arthropoda

pg 452

Question 2

List three characteristics that all Arthropods have in common.

Answer 2

Exoskeleton in Linear Segments.

Tubular Digestive tract (centrally located).

Dorsal, tubular circulatory organ .

pg 452

Question 3

To which subphylum do the insects belong?

Answer 3

mandibulata

pg 455

Question 4

List three characteristics all members of mandibulata have in common.

Answer 4

segmented appendages, one pair of antennae (except crustacea), appendages in first postoral segment form the mandibles

Question 5

List two characteristics particular to the insects.

Answer 5

Body divided into three parts (head, thorax, abdomen); 3 pairs of legs;
most adults have wings.
pg 457

Question 6

What is perhaps the most significant factor that has led to the success of insects?

Answer 6

Wings or the ability to fly. Escape from predators and find food.

Question 7

What is the technical term for moulting process and the cast off “skin”?

Answer 7

Ecdysis- moulting

exuviae- cast off skin

Question 8

Wingless orders of insects are grouped as Apterygota (meaning without wings). What kind of metamorphosis do they have?

Answer 8

No metamorphosis

Question 9

Give the common name and the genus name of examples of the following insect orders:

pg 465

Answer 9

o Homoptera: apple leafhopper; Empoasca maligna
o Coleoptera: Spruce Beetle; Dendroctonus rufipennis .
o Lepidoptera: monarch butterfly; Danaus plexippus .
o Diptera: Deer Fly; Chrysops excitans.
o Hymenoptera: Buff-tailed bumblebee; Bombus terrestris
o Odonata: Canadian Darner; Aeshna canadensis
o Hemiptera: hawthorn shield bug; Acanthosoma haemorrhoidale
o Orthoptera: great green bush-cricket; Tettigonia viridissima