Arthropoda - insects

Question 1

Characteristics of arthropods

Answer 1

Segmented body, jointed appendages, chitinous exoskeleton, moulting of cuticle, body has 2 or 3 regions

Question 2

Arthropod body plan Uniramia

Answer 2

one pair of antennae includes insects and myriapods (centipedes and millipedes)

Question 3

Arthropod body plan Chelicerata

Answer 3

No antennae, includes spiders and scorpions

Question 4

Arthropod body plan Crustacea

Answer 4

two pair of antennae includes crabs and woodlice

Question 5

insect body plan

Answer 5

Head one pair of antennae
thorax - 3 pairs of legs and 2 pairs of wings
abdomen - contains reproductive structures

Question 6

Insects respiration system

Answer 6

cuticle lined network of tubes - gas exchange by diffusion and pumping generated by movement

Question 7

structures and stages of Apterygotes

Answer 7

insects lacking wings, juvenile stages are mini versions of adults

Question 8

Exopterygotes structures and stages

Answer 8

winged insects, juvenile stages have partially formed external wings

Question 9

Endopterygotes

Answer 9

winged insects, juvenile stages (larvae) look very different to adult and no external signs of wings

Question 10

Incomplete metamorphosis

Answer 10

hemimetabolous, in exopterygotes

Question 11

Complete metamorphosis

Answer 11

holometabolous, in endopterygotes