Arthropods

Front 1

What are the three clades

encompassed within the

Crustacea?

Back 1

Front 2

Name 5 defining

features of Arthropods

Back 2

1· Paired, jointed appendages all along body

2· Hard, Jointed, sclerotised exoskeleton (Chitin/Protein/

Calcium Carbonate)

3· Growth occurs by a number of moults

4· Open circulatory system

5· Sexes usually differentiated

Front 3

Name 3 features

of Hexapods

Back 3

• Six uniramous (non-branched) legs

• Gas exchange occurs via trachea

• Excretion occurs in the form of crystalline

uric acid via malphigian tubules

Front 4

Name and briefly describe 3

examples of marine insects

Back 4

Halobates sp. (Sea skates) 40 known species,

5 are oceanic.

Philanisusplebeius insect which lays its eggs

inside starfish, adults feed on coralline algae.

Anuridamaritima Wingless insect living in the upper intertidal zones, scavenges at low tide.

Front 5

List 5 features of the

Crustacean bauplan

Back 5

· 2 pairs of antennae

· 1 pair of mandibles and 2 pairs of maxillae (mouth parts) on head

· 1 pair of compound eyes (usually on stalks)

· 1 pair of appendages (biramous) on each bodysegment

· Hard but flexible exoskeleton (prior tomolting, Calcium is

reabsorbed and deposited into the new cuticle)

Front 6

List 3 features of

nauplius larvae

Back 6

· Median(Nauplius) eye

· At least 3 pairs of head appendages

· Cephalic shield (Nauplius shield)

· Posteriorly directed fold (labrum) extending over the mouth

Front 7

Which 2 classes are part

of the genus Xenocarida?

Back 7

Front 8

Which 3 classes are classified

within the Vericrustacea?

Back 8

· Malacostraca (Crabs, shrimp, lobster)

· Copepoda

· Cirripedia (Barnacles)

Front 9

Which group within the

crustacea exhibits 'eusociality' (social behaviour with others

of the same species)?

Back 9

Malacostraca- Particularly the Hoplocarida/

Mantis shrimp

Front 10

What fraction of copepod

species are degenerate and

parasitic?

Back 10

1/4

Front 11

Think about where the ovary,

1st antenna pair and digestive

gland are located in a barnacle, then

compare/check on the diagram.

Back 11

Front 12

Which two classes are

encompassed by the genus oligostraca?

Back 12

Front 13

List 4 features of the

Chelicerate bauplan.

Back 13

·No antennae

·Cephalothorax

·1st pair of appendages for feeding (chelicerae) ·Biramous appendages

Front 14

Name the 2 groups of marine chelicerates.

Back 14

Merostomata (horseshoe crabs)

Pycnogonida (sea spiders)

Front 15

What percent of chelicerate species are terrestrial?

Back 15

98%

Front 16

Which 4 classes are included in the sub-phylum Myriapoda?

Back 16

·Chilopoda (centipedes)

·Diplopoda (millipedes)

·Symphyla (< 8mm)

·Pauropoda (< 2mm)