Biology Mod 12 Set 2

Front 1

An example of an organism in Kingdom Animailia, Phylum Arthropod, Class Crustacea is a _____________

Back 1

crayfish

Front 2

Most organism in Class Crustacea live in _______________ ___________and are smaller than a lobster.

Back 2

fresh water

Front 3

The crayfish uses ________ to extract dissolved oxygen from water.

Back 3

gills

Front 4

This system's job is to transport oxygen to the cells that need it.

Back 4

circulatory system

Front 5

Why does the crayfish bleed if it looses a craw or a foot?

Back 5

It has a double membrane in it's appendages that seals the wounded area off.

Front 6

What happens to a crayfish that loses a claw or foot?

Back 6

regeneration....it grows another one

Front 7

Is regeneration a form of sexual reproduction or a repair mechanism?

Back 7

repair mechanism

Front 8

What do crayfish use to break down their food into small chunks?

Back 8

mandibles

Front 9

in the crayfish, food enters the mouth and go to the esophagus and then to the stomach. Small particles go to the _____________ ________and larger particles go to the _____________________

Back 9

digestive glands, intestines

Front 10

Gonad-

Back 10

general term for the organ that produces gametes

Front 11

Sexual reproduction begins in the _____________

Back 11

gonads

Front 12

In females, the gonads are called the ____________

Back 12

ovary

Front 13

In males, the gonads are called the ___________

Back 13

testes

Front 14

During the crayfish's first year of life it will molt _____ times because of the rapid growth.

Back 14

7

Front 15

After the first year of life, the crayfish usually only molts _______ a year

Back 15

twice

Front 16

Kingdom Animalia, Phylum Arthropod, Class Arachnida include _________________

Back 16

spiders

Front 17

Spiders help keep the ___________ population in check

Back 17

insect

Front 18

5 Characteristics of spiders:

Back 18

4 pair of walking legs, a cephalothorax (2 segment body), pair of simple eyes, book lungs, and antennae

Front 19

In spiders, respiration is done though _______ ________

Back 19

book lungs