Week 7: Lecture 10:Arthropods 3: Crustaceans & Myriapods

Question 1

Myriad

Answer 1

countless number

Question 2

Poda

Answer 2

feet

Question 3

Subphylum myriapoda

Answer 3

includes millipedes and centipedes

Question 4

Environment of the subphylum myriapoda

Answer 4

all terrestrial,
live in wet environments such as tropical rainforest
probably the first arthropods to colonise land

Question 5

Myriapoda cuticle

Answer 5

epicuticle = waxy and waterproof

Question 6

Gas exchange in myriapods

Answer 6

tracheae

Question 7

Reproduction in myriapods

Answer 7

sexual reproduction, separate sexes, indirect sperm transfer with spermatophore or direct transfer

Question 8

Diversity of myriapods

Answer 8

not that diverse, 16,000 species

Question 9

Two classes within myriapoda subphylum

Answer 9

chilopoda

diplopoda

Question 10

Myriapoda body parts

Answer 10

1. one head with one pair of antenna, mandibles (for chewing), simple eyes
2. body with many segments

Question 11

Centipedes body appendages
(class chilopoda, subphylum myriapoda)

Answer 11

1 pair of legs per segment

Question 12

Millipedes body appendages
(class diplopoda, subphylum myriapoda)

Answer 12

2 pairs of legs per segment

Question 13

Class Chilopoda

subphylum myriapoda

Answer 13

centipedes
predators
forcipules

Question 14

Forcipules

Answer 14

powerful mouth parts which inject venom into the prey to immobilise/kill it

Question 15

Class diplopoda

subphylum myriapoda

Answer 15

millipedes (3 types)

detritivores

Question 16

Three types of millipedes

Answer 16

1. pill
2. flat backed
3. round backed

Question 17

Detritivores

Answer 17

eat decaying organic matter,
plants and animals,
therefore they are scanvengers

Question 18

Crusta

Answer 18

crust

Question 19

Subphylum crustacea

Answer 19

includes

shrimps, crabs, copepods, water fleas

Question 20

Subphylum crustacea environment

Answer 20

all aquatic species except wood lice but they are associated with wet environments

Question 21

Subphylum crustacea gas exchange

Answer 21

gills

Question 22

Subphylum crustacea eyes

Answer 22

some compound, some simple

Question 23

Subphylum crustacea reproduction

Answer 23

sexual, with separates sexes

Question 24

Subphylum crustacea diversity

Answer 24

quite diverse, 47,000 species

Question 25

Fertilisation Subphylum crustacea

Answer 25

internal or external

Question 26

How do females store sperm

Subphylum crustacea

Answer 26

seminal receptacle

not immediate fertilisation

Question 27

How do females fertilise their eggs and hatch them

Subphylum crustacea

Answer 27

release the sperm to fertilise the eggs,
lay the eggs,
carry them until they hatch

Question 28

Class branchiopoda

Subphylum crustacea

Answer 28

water flea

Question 29

Class Maxillopoda

Subphylum crustacea

Answer 29

barnacles and copepods

Question 30

Class Malacostrata

Subphylum crustacea

Answer 30

krill, crabs, woodlice, lobsters, crayfish