April 16 Starfish

Front 1

Located end of each arm

Back 1

Eye spot

Front 2

Can't focus a sharp image

Back 2

Eye spot

Front 3

Fertilized externally by male

Back 3

Eggs

Front 4

Male gonad

Back 4

Testes

Hint 4

That's what she said

Front 5

Female gonads

Back 5

Ovary

Front 6

Protection for epidermis, or skin, especially skin gills

Back 6

Spine

Front 7

Tiny pincers in rings around spines, protects skin gills, keeps them free of debris

Back 7

Pedicellara

Front 8

Fingerlike projections covering the surface

Back 8

Skin gill

Front 9

Works like a sieve, moves water through its water vascular system

Back 9

Madretorite

Front 10

Where waste and undigested food leave the sea star

Back 10

Anus

Hint 10

That's what she said

Front 11

Connects to each lobe of the digestive gland

Back 11

Pyloric stomach

Front 12

Inverted and pushed into the shell of a bivalve

Back 12

Cardiac stomach

Front 13

Circular tube that connects to the radial canal of each arm

Back 13

Ring canal

Front 14

A feeding sea star extends this out of its mouth

Back 14

Cardiac stomach

Front 15

The sea star has what kind of symmetrey

Back 15

Radial

Front 16

Digestion is completed in the

Back 16

Digestive glands

Front 17

Not part of the water vascular system

Back 17

Skin gills

Front 18

Can serve as both respiratory and excretory

Back 18

Ampulla

Front 19

Not on the aboral service of a sea star

Back 19

Mouth

Hint 19

That's what she said

Front 20

This stomach is connected to the digestive glands of each arm

Back 20

Cardiac

Front 21

The crayfish mouth opens up into this long tube

Back 21

Esophagus

Front 22

Male crayfish uses this to fertilize female egg

Back 22

Sperm

Hint 22

THAT'S WHAT SHE SAID

Front 23

Crayfish hold eggs tight to the abdomen for aeration

Back 23

Swimmerets

Front 24

Crayfish digestive track opening where food passes out

Back 24

Anus

Hint 24

That's what she said

Front 25

Crayfish base of the 5th pair of legs contains an opening called

Back 25

Sperm duct opening

Hint 25

THAT'S WHAT SHE ........

SAID

Front 26

Squid breathe through this

Back 26

Gills

Front 27

Squid structure that grinds food

Back 27

Radula

Front 28

Squid undigested food is transported from ceacum to rectum by this structure

Back 28

Intestine

Front 29

Squid part in the buccal mass in the center of the arms that rips food

Back 29

Beak

Front 30

Squid has 2 structures to capture prey

Back 30

Tentacles

Front 31

How many eye spots does a sea star have

Back 31

5

Front 32

Eye spots can focus a sharp image

Back 32

False

Front 33

A sea star can have more than 5 arms

Back 33

TRUE

Hint 33

HI MY NAME IS BOB U SHOULD STUDY p.s. This is a message from BOB

Front 34

A sea star is male or female, not hermaphraditic

Back 34

True

Front 35

Sea star eggs are fertilized externally in water

Back 35

True

Front 36

Sea star has gills similar to a fish

Back 36

False

Front 37

Sea stars protect their tube feet with a

Back 37

Move able spine

Front 38

Tube feet contract when this structure contracts

Back 38

Ampullae

Front 39

Sea star extends it's cardiac stomach to

Back 39

Eat clams

Front 40

The ambulacral groove contains

Back 40

Tube feet

Hint 40

THAT'S WHAT SHE SAID

Front 41

Large opening in the center of the disk is the

Back 41

Mouth

Hint 41

That's what she said

Front 42

Water is forced into the tube feet when this contracts

Back 42

Ampullae

Front 43

Digestion is completed by enzymes in the

Back 43

Digestive gland

Front 44

Tube feet view

Back 44

Oral

Front 45

Spines protecting soft tissue voew

Back 45

Oral

Front 46

Cardiac stomach view

Back 46

Internal

Front 47

Pendicellarias view

Back 47

Aboral

Front 48

Ring canal view

Back 48

Internal