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Biology > Arthropods > Flashcards

Arthropods Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

Exoskeleton

A

A body covering, made of chitin and provides support and protection. Limits growth potential.

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2
Q

Molt

A

Shed an outer covering to be replaced with a new one.

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3
Q

Thorax

A

The body region between the head and the abdomen.

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4
Q

Abdomen

A

The body region that comes after the thorax.

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5
Q

Cephalothorax

A

The body region composed of the head and thorax fused together.

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6
Q

Compound eye

A

An eye made of many lenses with a very limited scope.

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7
Q

Simple eye

A

An eye with only one lens.

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8
Q

Open circulatory system

A

A system that allows the blood to flow out of the blood vessels and into varies cavities so that the cells are in direct contact with the blood.

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9
Q

Name the five common characteristics among arthropods?

A

Exoskeleton, Body segmentation, Jointed appendages, Ventral nervous system, An open circulatory system.

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10
Q

Statocyst

A

The organ of balance in a crustacean.

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11
Q

Gonad

A

General term for the organ that produces gametes.

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12
Q

what five characteristics set arachnids apart from the other arthropods?

A

Have 2 more legs, cephalothorax, four pairs of simple eyes, no antenna, breath through book lungs.

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13
Q

What are the three basic types of webs a spider spins?

A

Sheet web, tangle web, and orb web.

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14
Q

Do all spiders use their silk to spin webs?

A

no

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15
Q

Why are the spiders lungs called book lungs?

A

There lungs are made up of several thin layers that extract o2 from the air.

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16
Q

What four characteristics set insects apart from the other arthropods.

A

3 pairs or walking or jumping legs, usually have wings at some stage of life, one pair of antenna, and three segments.

17
Q

What four types of wings exist among insects.

A

Membranous(flies), scaled wings(butterflies), leather like wings (Grasshoppers), and horny wings (Ladybugs).

18
Q

Complete metamorphosis

A

4 stages. Egg, larva, pupa, adult.

19
Q

Incomplete metamorphosis

A

3 stages. Egg, nymph, adult.

20
Q

What purpose does the green gland serve?

A

It cleans the blood of impurity’s.

21
Q

What structures beside the gills and the gill chambers, a are vitally important for respiration in a crayfish?

A

The swimmerets, and the maxillae.

22
Q

What happens when a crayfish looses a limb?

A

It seals of the limb to stop bleeding then it regenerates the limb.

23
Q

Where do the fertilized eggs of a crayfish go?

A

They are attached to the swimmerets.

24
Q

Why do arthropods molt?

A

Their exoskeleton gets to small for their growing body.

25
Q

What two appendages are responsible for taste and touch in a crayfish?

A

Antenna and Antennules.

26
Q

Why don’t insects have respiratory systems?

A

They have a complex network of tracheas that allow air to travel thorough out the body.

27
Q

If an insect goes through a pupa stage does it complete incomplete or complete metamorphosis?

A

Complete.

28
Q

Explain the blood flow in crayfish, starting with the pericardial sinus.

A
  1. Blood collects in the pericardial sinus.
  2. Blood enters the heart through one of three openings in the hearts surface.
  3. Each opening has a valve that closes when the heart is ready to pump.
  4. absorbs the blood and closes the valve.
  5. heart pumps blood through a series of blood vessels.
  6. vessels dump blood into the varies body cavities.
29
Q

Insects with two leather-like wings and two membranous wings.

A

Coleptera

30
Q

Social insects with membranous wings.

A

Diptera

31
Q

Insects with two membranous wings and two membranous balancers.

A

Lepidoptera

32
Q

Insects with two horny wings and two membranous wings.

A

orthoptera

33
Q

Insects with scaled wings

A

Hymenoptera

Biology (5 decks)

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