Tripoblastic - Protosomes - Ecdysozoa - Arthropoda

Question 1

‘Arthropoda’

Answer 1

Jointed feet

Question 2

What percentage of all animal species are arthropods?

Answer 2

83%

Question 3

Most animal species are what insect

Answer 3

Beetle

Question 4

Invertebrates have

Answer 4

Bilateralt symmetry; hard exoskeleton; segmented body; jointed

Question 5

Major component of hard exoskeleton?

Answer 5

Chitin

Question 6

Consequences of wearing suit of armou

Answer 6

Need a way to deliver O2 across skeleton (gills or tracheae)
Limit to body size
Need to moult to grow

Question 7

What is ecdysis?

Answer 7

Shedding old exoskeleton (hence the name ecdysozoan

Question 8

What are the four sub phyla or arthropoda?

Answer 8

Crustacea, Chelicerata, Myriapoda, Hexapoda

Question 9

One of the earliest groups to appear?

Answer 9

Trilobites

Question 10

‘Trilobites’

Answer 10

3 lobes

Question 11

‘Crustacea’

Answer 11

Crusted

Question 12

What does crustacean include?

Answer 12

Lobster, crab, prawn, woodlpous, barancle

Question 13

What are crustacean bodies split into?

Answer 13

Cephalothorax and abdomen

Question 14

Do larval forms of crustacean look like adults?

Answer 14

No. Often planktonic

Question 15

Classes of crustacean?

Answer 15

Malocostraca, branchiopoda and maxillopoda

Question 16

(Crustacean class) Malocostraca includes

Answer 16

prawns, crabs etc

Question 17

(Crustacean class) Malocostraca have how many body segments?

Answer 17

20, divided into head, thorax and abdomen

Question 18

(Crustacean class) Branciopoda?

Answer 18

Gill feet

Question 19

(Crustacean class) Maxillopoda?

Answer 19

Jaw feet

Question 20

What kind of hexapoda are there?

Answer 20

Odonata, Orthoptera, diptera, hymenoptera and coleoptera

Question 21

Physiology of hexapoda?

Answer 21

head; thorax; abdomen

Question 22

‘Hexapod’

Answer 22

six feet

Question 23

Hexapoda also includes Apterygotes…

Answer 23

springtails and silverfish

Question 24

How are most insects born?

Answer 24

Hatch from an egg

Question 25

Most insects live solitary lives or highly social?

Answer 25

Most solitary

Question 26

Insect size is limited by what?

Answer 26

O2 diffusion as blood does not deliver O2

Question 27

How do insects get rid of nitrogenous waste?

Answer 27

Uric acid

Question 28

Metamorphis?

Answer 28

Change in form

Question 29

Complete metamorphis is seen in what insects?

Answer 29

butterfly, honeybee, beetle, house-fly

Question 30

Incomplete metamorphis is seen in what insects?

Answer 30

Dragonfly, grasshopper

Question 31

When did insects evolve?

Answer 31

Carboniferous Period

Question 32

PLan polarisation of light in insects is used for

Answer 32

navigation

Question 33

(Insect orders) Odonata

Answer 33

dragonflies and damselflies

Question 34

(Insect orders) Orthoptera

Answer 34

grasshoppers and crickets

Question 35

(Insect orders) Diptera

Answer 35

true flies

Question 36

(Insect orders) Hymenoptera

Answer 36

ants, bees, wasps

Question 37

(Insect orders) Lepidoptera

Answer 37

Butterflies and moths

Question 38

(Insect orders) Coleoptera

Answer 38

beetles

Question 39

‘Myria’

Answer 39

10 000

Question 40

‘pod’

Answer 40

foot

Question 41

Millipedes have 1 or 2 leg segments?

Answer 41

2 pairs of legs

Question 42

Centipedes have 1 or 2 pairs of leg segments?

Answer 42

1 pair of legs

Question 43

‘Chelicerata’

Answer 43

talon horned

Question 44

How many pairs of legs do chelicerate have>

Answer 44

4

Question 45

Two parts of chelicerate body?

Answer 45

Cephalothorax and abdomen

Question 46

(Class of Chelicerata) Arachnida?

Answer 46

Spiders and scorpions

Question 47

Pedipalps in spiders and scorpions?

Answer 47

Scorpions have large claws and spiders have poison