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Bio 102/ Schwartz > Subphylum Chelicerata > Flashcards

Subphylum Chelicerata Flashcards

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Biology 101 flashcards
1
Q

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

A

Subphylum Chelicerata

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2
Q

What is the chelicera?

A

Fangs & sucking mouth.

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3
Q

What characteristic does this phylum lack?

A

Chewing mouth parts & no antennae.

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4
Q

What are the abdomen & 8 legs known as?

A

Cephalothorax

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5
Q

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

A

Brown Recluse

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6
Q

What is the strong digestive enzyme called?

A

Venom

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7
Q

What is found on the cephalothorax of the subphylum chelicerata ?

A

The fiddle

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8
Q

What disease do ticks carry?

A

Lyme Disease and Rocky Mt. Spotted Fever

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9
Q

What are scorpions known for?

A

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

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10
Q

What are mites?

A

Microscopic Chelicerates

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11
Q

How do chigger bites work?

A

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

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12
Q

What does the intense itching in chigger bites come from?

A

An allergic reaction to the chiggers’ saliva.

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13
Q

When do horseshoe crabs mate?

A

High tide

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14
Q

When do horseshoe crabs hatch?

A

New moon

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15
Q

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

A

Carapace

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16
Q

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

A

Telson

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17
Q

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

A

Book gills

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18
Q

What organisms consists of the Subphylum Crustacea?

A

Shrimp, Barnacles, Cray Fish, Lobsters, Crabs

19
Q

What is the chewing mouth known as for subphylum crustacea?

A

Mandibles and maxillae

20
Q

What is the cephalothorax for subphylum CRUSTacea?

A

Chelipeds and walking legs

21
Q

What’s on the abdomen of the subphylum crustacea?

A

Swimmerettes

22
Q

What are the fins known as for subphylum crustacea?

A

Uropods and telson

23
Q

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

A

Rostrum

24
Q

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

A

Antennae & antennules

25
Q

What is the cephalothorax covered by in the subphylum crustacea?

A

Carapace

26
Q

What is the function of the swimmerets?

A

Swimming and reproduction

27
Q

What is the function of the uropods?

A

Paddle on either side of telson

28
Q

What kind of feeders are the organisms in subphylum crustacea?

A

Filter feeders

29
Q

What organisms are in the order Decapoda?

A

Crabs, shrimp, lobster, and crayfish.

30
Q

What organism is in the order cirripedia?

A

Barnacles

31
Q

How many legs does Order Decapoda have?

A

10 legs, five pairs of thoracic legs.

32
Q

What are the characteristics of blue crabs?

A
  • Walk sideways

- Swim by sculling fifth pair of legs like paddles.

33
Q

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

A

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

34
Q

What’s an immature female crab called?

A

“Sally” or a “She crab”

35
Q

When do females mate?

A

Only during the final molt, soft shell.

36
Q

What’s a male crab known as?

A

A “Jimmy”

37
Q

What’s a mature female crab called?

A

“Sook”

38
Q

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

A

1st Pair: Hold food, tear it, and pass to the mouth.

2nd Pair: Helps to draw water over the gills.

39
Q

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

A

Mandibles

40
Q

What are the large claws of crayfish called?

A

Chelipeds

41
Q

How many pairs of walking legs do crayfish have?

A

Four

42
Q

How many pairs of swimmerets do crayfish have?

A

Five

43
Q

What parts of the crayfish aids in backward movement?

A

Uropods and telson

44
Q

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

A

Stylostome

Bio 102/ Schwartz (7 decks)

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