Arthropoda

Question 1

Protostome

Answer 1

spiral cleavage

-blastopore becomes mouth, anus second

Question 2

deuterostome

Answer 2

radial cleavage

-blastopore becomes anus mouth second

Question 3

arthropod features

Answer 3

non-living cuticle, paired jointed apendages, sensory structures, metameric body, open circulatory system, growth by molting

Question 4

Subphylum chilicerata

classes (2)

Answer 4

• merostomata (horsechoe crab)

- arachnida (spiders, ticks etc)

Question 5

arthropoda subphylums (5)

Answer 5

trilobita
chilicerata
crustacea
myrapoda
hexapoda

Question 6

crustacea class

Answer 6

cambarus (crayfish)

Question 7

myrapoda classes (2)

Answer 7

chilopoda (centepede)

diplopoda (milipede)

Question 8

hexapoda class

Answer 8

insecta

Question 9

class insecta orders (big 4+ grasshopper)

Answer 9

coleoptera (beetles)
diptera (flies)
hymenoptera (bees)
lepidoptera (moths)
orthoptera (grasshoppers)

Question 10

insecta features

Answer 10

2 pairs of wings, 3 body tagma, 6 legs, thorax, compound and simple eyes, mandibulate mouthparts, sclerites, one pair antennae

Question 11

hexapods 3 body tagma

Answer 11

head, thorax, abdomen

Question 12

thorax

Answer 12

prothorax, mesothorax, metathorax

Question 13

insects eyes

Answer 13

compound eyes and simple eyes (ocelli)

Question 14

insect mandibulate mouthparts (derived from cuticle)

Answer 14

labrum, labium, mandibles, maxillae

Question 15

sclerites

Answer 15

individual cuticular plates

Question 16

insect breathing

Answer 16

via tracheal tubes from cuticle

Question 17

insects cuticle structure

Answer 17

secreted by epidermal cells

basal- epidermis growing out is the endo, exo and epicuticle,

Question 18

top epicuticle layer

Answer 18

prevents water loss

Question 19

middle cuticle layers that make the procuticle

Answer 19

exocuticle and endocuticle

Question 20

exocuticle

Answer 20

dark, goes through scleritinization/tanning which makes it rigid, hard, dark, made of chitin

Question 21

endocuticle

Answer 21

soft, pale, flexible, membraneous

Question 22

incomplete metamorphosis

Answer 22

egg, 1-5 instar nymph, adult

Question 23

complete metamorphosis

Answer 23

egg, larva, pupa, adult

Question 24

crustacea tagmata

Answer 24

cephalothorax and abdomen

Question 25

telson

Answer 25

cambarus single appendage on tail

Question 26

uropod

Answer 26

cambarus swimmer on tail

Question 27

myrapod tagmata

Answer 27

2, head and trunk

Question 28

cambarus features

Answer 28

1 pair antennules, 1 pair antennae, 1 pair mandibles, 2 maxillae, 3 maxillipeds, claws(modified walking legs), 5 pairs of swimmerets, telson, uropod