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Flashcards in mullusks Deck (28)
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1
Q

Mollusk

A

Mollusk are soft bodied interverbrates

2
Q

Gill

A

Are to remove air from the water.

3
Q

Gastropod

A

It means stomach foot, has a broad foot , snails have shells but slugs do not have shells

4
Q

Cehpalopod

A

They are mollusk whose feet have adapted around the mouth and formed tenticals.

5
Q

Mantle

A

Is a thick layer of tissues that protect the internal organs and produces a shell.

6
Q

Radula

A

Are tiny rows of teeth that can scrape food from a surface.

7
Q

Bivalve

A

Bivalves are two shells held on like hinges.

8
Q

Arthropod

A

It means joint foot, jointed appendages , and exoskeleton, chitin on the outside and organs on the inside.

9
Q

Molting

A

The process of shedding

10
Q

Metammorphosis

A

A process in which an animal’s body undergoes dramatic changes in form during life circle.

11
Q

Exoskeleton

A

The exoskeleton is an outer layer skeleton that keeps them from drying out.

12
Q

Appendage

A

Are legs, fangs, pinchers, . . . extended from the body

13
Q

Arachnid

A

Has 3 sections, breathes with book lungs or air tubes, some have fangs to eject venom.

14
Q

Chitin

A

It is the material the exoskeleton is made of.

15
Q

Crustacean

A

They begin life in water, breather with gills, does metamorphoses and includes crab, crayfish, and lobster.

16
Q

Abdomin

A

The abdomen contains reproductive organs and the digestive tract.

17
Q

Insect

A

Has three parts, six legs,( three pairs of legs) goes through metamorphosis.

18
Q

Complete metamorphosis

A

Four stages in insect life - egg, larva, pupa, and adult.

19
Q

Gradual metamorphosis

A

No distinct stages of development . Egg hatches into a nymph, develops into an adult.

20
Q

Camoflage

A

Camouflage means to blend in with surroundings.

21
Q

Thorax

A

The middle section of a insect and the wings and legs are attached

22
Q

Pupa

A

Insect is enclosed in a protective covering and changes from larva to an adult.

23
Q

Nymph

A

Stage in insect life in which the insect resembles the adult

24
Q

Echinoderm

A

Has a Endoskeleton, lives on ocean floor, name means spiny skin. Also has radial symmetry and has tube feet.

25
Q

Endoskeleton

A

Spiny internal skeleton made of plates containing caliseum.

26
Q

Water Vascular System

A

The water vascular system is a fluid system that goes through all the ogans so the animal can breath.

27
Q

Describe ways in which insects are beneficial to humans

A

Insects eat other harmful insects and make honey, silk and pollinate flowers.

28
Q

Describe ways in which insects protect themselves

A

camouflage, stingers, they smell or taste bad, or the look like insects that taste or smell bad.