Anthropoda I

Question 1

What animal phylum is characterized by jointed appendages, body segmentation, chitin

Answer 1

Anthropods

Question 2

How are the proteins in the outer layer interlinked in anthropod exoskeletons?

Answer 2

sclerotization

Question 3

What are the functional segmented groups in antrhopods called?

Answer 3

Tagmata

Question 4

What are the three segments in tagmata

Answer 4

Head, thorax, abdomen

Question 5

What do other arthropods have when the head and thorax are fused?

Answer 5

cephalothorax

Question 6

What kind of coelom do arthropods have?

Answer 6

Eucoelomate

Question 7

What does the coelom reduce to to help in blood circulation?

Answer 7

hemocoel

Question 8

What kind of respiratory systems do insects and myriapods have?

Answer 8

tracheae with spiracles (openings)

Question 9

what kind of respiratory systems do aquatic crustaceans have?

Answer 9

gills

Question 10

what kind of respiratory systems do arachnids have?

Answer 10

book lungs

Question 11

what kind of respiratory systems do aquatic chelicerates have?

Answer 11

book gills

Question 12

what does the direct piping of air to tissues allow for?

Answer 12

high metabolic rates and limit body size

Question 13

Do arthropods have a complete digestive system?

Answer 13

Yes

Question 14

Describe the nervous system of arthropods

Answer 14

same as annelids, dorsal brain connected to double nerve chain of ventral ganglia

Question 15

What is it that arthropods have that indicate their highly developed sensory organs?

Answer 15

Compound eyes

Question 16

Are arthropods dioecious or monoecious?

Answer 16

typically dioecious

Question 17

What do arthropods undergo during development

Answer 17

metamorphosis

Question 18

What arthropod subphylum is extinct
- abundant during the Cambrian and Ordovician
- Went extinct at the end of the Permian
- Lacked true mouthparts

Answer 18

Trilobata

Question 19

What arthropod subphylum have 4 pairs of walking legs and 2 body segments

Answer 19

Chelicerata

Question 20

In chelicerata, what are the 2 body segments?

Answer 20

Cephalothorax and Abdomen

Question 21

How do chelicerata perform respiration?

Answer 21

Book lungs or book gills

Question 22

In chelicerata, what are the two appendages at the mouth?

Answer 22

Chelicerae and Pedipalps

Question 23

Do chelicerata have antennae?

Answer 23

No

Question 24

What chelicerata class are horseshoe crabs
- unsegmented with telson (tailpiece)
- 4 pairs of walking legs and 6 pairs of abdominal appendages for swimming
- respire with book gills
- only 3 surviving genera

Answer 24

Xiphosurida

Question 25

What chelicerata class are scorpions, ticks, and spiders - breathe with book lungs - most are predatory - chelicerae modified into fangs with venom glands and stingers?

Answer 25

Arachnida

Question 26

What order in Arachnida are true spiders - chelicerae have terminal gangs connected to venom glands - all are predatory - respire with book lungs or tracheae or both

Answer 26

Araneae

Question 27

What are the excretory system of Araneae composed of?

Answer 27

Malpighian tubules

Question 28

What do spiders have the ability to do?

Answer 28

Spin silk

Question 29

How do spiders release silk?

Answer 29

Spinnerets run silk in silk glands

Question 30

Are spiders dangerous?

Answer 30

Most are harmless to humans

Question 31

What order in Arachnida are scorpions - have 3 tagmata -final segment of postabdomen modified into a stinger

Answer 31

Scorpiones

Question 32

What are the 3 tagmata in scorpions?

Answer 32

Cephalothorax, preabdomen, postabdomen

Question 33

What order in Arachnida are ticks and mites - cephalothorax and abdomen are completely fused - many have direct effects on health and food

Answer 33

Acari

Question 34

What Acari mange in dogs and cats?

Answer 34

Demodex

Question 35

What Acari are carriers of Lyme disease?

Answer 35

Ixodes

Question 36

What Acari causes scabies?

Answer 36

Sarcoptes scabiei

Question 37

What arthropod subphylum are centipedes and millipedes - numerous legs ~ 10 to 750 - 2 tagmata - terrestrial and prefer humid environment

Answer 37

Myriapoda

Question 38

In myriapoda, what are the 2 tagmata?

Answer 38

Head and trunk (most with paired appendeges)

Question 39

Where can myriapoda be found?

Answer 39

moist soil, decaying biomass, lead litter

Question 40

What myriopoda class is somewhat flattened -prefer moist places under logs, bark, stones - carnivorous -rely on venom to kill - most are harmless to humans - one pair of legs per trunk segment

Answer 40

Chilopoda

Question 41

What myriapoda class has a cylindrical body -herbivorous -feed on decaying or living plants -each trunk segment has 2 pairs of legs

Answer 41

Diplopoda