Subphylum Chelicerata

Question 1

What subphylum consists of scorpions, spiders, ticks, and mites?

Answer 1

Subphylum Chelicerata

Question 2

What is the chelicera?

Answer 2

Fangs & sucking mouth.

Question 3

What characteristic does this phylum lack?

Answer 3

Chewing mouth parts & no antennae.

Question 4

What are the abdomen & 8 legs known as?

Answer 4

Cephalothorax

Question 5

Which spider is found in old clothing and garage storage units?

Answer 5

Brown Recluse

Question 6

What is the strong digestive enzyme called?

Answer 6

Venom

Question 7

What is found on the cephalothorax of the subphylum chelicerata ?

Answer 7

The fiddle

Question 8

What disease do ticks carry?

Answer 8

Lyme Disease and Rocky Mt. Spotted Fever

Question 9

What are scorpions known for?

Answer 9

Being a transition organism and 1st Anthropod to live on the land.

Question 10

What are mites?

Answer 10

Microscopic Chelicerates

Question 11

How do chigger bites work?

Answer 11

The chigger injects saliva and enzymes into the wound to break down cells.

Question 12

What does the intense itching in chigger bites come from?

Answer 12

An allergic reaction to the chiggers’ saliva.

Question 13

When do horseshoe crabs mate?

Answer 13

High tide

Question 14

When do horseshoe crabs hatch?

Answer 14

New moon

Question 15

What is the hard upper shell of a horseshoe crab known as?

Answer 15

Carapace

Question 16

What is the abdomen with a long spine like tail known as on a horseshoe crab called?

Answer 16

Telson

Question 17

What are the flat leaf-like gills called on the horseshoe crab called?

Answer 17

Book gills

Question 18

What organisms consists of the Subphylum Crustacea?

Answer 18

Shrimp, Barnacles, Cray Fish, Lobsters, Crabs

Question 19

What is the chewing mouth known as for subphylum crustacea?

Answer 19

Mandibles and maxillae

Question 20

What is the cephalothorax for subphylum CRUSTacea?

Answer 20

Chelipeds and walking legs

Question 21

What’s on the abdomen of the subphylum crustacea?

Answer 21

Swimmerettes

Question 22

What are the fins known as for subphylum crustacea?

Answer 22

Uropods and telson

Question 23

What is the thing in between the eyes for the organisms in the subphylum crustacea?

Answer 23

Rostrum

Question 24

What are the sensory organs for the organisms in the subphylum crustacea?

Answer 24

Antennae & antennules

Question 25

What is the cephalothorax covered by in the subphylum crustacea?

Answer 25

Carapace

Question 26

What is the function of the swimmerets?

Answer 26

Swimming and reproduction

Question 27

What is the function of the uropods?

Answer 27

Paddle on either side of telson

Question 28

What kind of feeders are the organisms in subphylum crustacea?

Answer 28

Filter feeders

Question 29

What organisms are in the order Decapoda?

Answer 29

Crabs, shrimp, lobster, and crayfish.

Question 30

What organism is in the order cirripedia?

Answer 30

Barnacles

Question 31

How many legs does Order Decapoda have?

Answer 31

10 legs, five pairs of thoracic legs.

Question 32

What are the characteristics of blue crabs?

Answer 32

- Walk sideways | - Swim by sculling fifth pair of legs like paddles.

Question 33

How do you know if the crab is a female or a male?

Answer 33

If it's a female, the claws will be red. If it's a male, the claws will be blue.

Question 34

What's an immature female crab called?

Answer 34

"Sally" or a "She crab"

Question 35

When do females mate?

Answer 35

Only during the final molt, soft shell.

Question 36

What's a male crab known as?

Answer 36

A "Jimmy"

Question 37

What's a mature female crab called?

Answer 37

"Sook"

Question 38

For crayfish, what's are the functions of the 2 pairs of maxillae?

Answer 38

1st Pair: Hold food, tear it, and pass to the mouth. | 2nd Pair: Helps to draw water over the gills.

Question 39

What part of a crayfish is known for the jaws for crushing?

Answer 39

Mandibles

Question 40

What are the large claws of crayfish called?

Answer 40

Chelipeds

Question 41

How many pairs of walking legs do crayfish have?

Answer 41

Four

Question 42

How many pairs of swimmerets do crayfish have?

Answer 42

Five

Question 43

What parts of the crayfish aids in backward movement?

Answer 43

Uropods and telson

Question 44

The salivary secretions cause the tissue to harden into a straw like tube known as?

Answer 44

Stylostome