Phylum Arthropods

Question 1

Classes and examples

PA

Answer 1

1.crustacea
Ex.crabs & lobsters

2.chelicerata
Ex.spiders & scorpion

3.uniramila
Ex.insects & grasshopper

Question 2

Type of symmetry

PA

Answer 2

Bilateral

Question 3

Reproduction

PA

Answer 3

(Terrestrial) internal fertilization

Deposit a sperm pocket that is picked up by female

(Aquatic) internal and external were eggs or sperm are broadcasted into surrounding area

ASEXUAL
EXTERNAL/INTERNAL

Question 4

Digestion.

PA

Answer 4

2 openings & 1 way system

Herbivores, omnivores and carnivores

Mouth parts of individual specialized for particular food types

Question 5

Movement

PA

Answer 5

Well developed groups of muscles are controlled by nervous system

Muscles are attached to exoskeleton in order to generate force

Soft allows flexibility

Hard exoskeleton

Question 6

Excretion

PA

Answer 6

Most have specialized structures called malpighion tubes

Take away ware out of blood and add to Feices

(Aquatic) diffuses but in crests toon have green glands

Question 7

Circulation

PA

Answer 7

Well developed heart pumps blood threw circulatory system

Blood pools in spaces called sinuses

Open circulatory system

Question 8

Nervous

PA

Answer 8

Well developed nervous system

Very advanced eyes

Chemoreceptors sense chemicals

Question 9

What does arthropod mean

PA

Answer 9

Jointed legs

Question 10

Structural support

PA

Answer 10

Endoskeleton made from chitin