Science Cards

Front 1

Characteristics of Phylum Echinodermata:

Back 1

1. Calcium Carbonate Endoskeleton covered by thin epidermis: rays, Spines, and Pedicellaria.
2. Radial Symmetry (Adult)
3. H2O Vascular System
4. Bilateral Symmetry (Larva)
5. Mouth, Stomach, Intestines..
Starfish-Carnivorous
Sea Urchin- Herbavorous
Sea Cucumber- Detritus
6. Simple Nervous System- Nerve Net, Eyespots

Front 2

Diversity of Echinoderms:

Back 2

6,000 species: Most in class Asteroidea

Front 3

Classes:Asteroidea

Back 3

Starfish

Front 4

Ophinroidea

Back 4

Brittle Star : Regeneration

Front 5

Echinodea

Back 5

Sea Urchins, Sand Dollars (Globe Shape, No Rays)

Front 6

Holothureidea

Back 6

Sea Cucumbers

Front 7

Crinoidea

Back 7

Sea Lilies, Feather Stars

Front 8

Characeristics of Chordates:

Back 8

1. Notochord forms backbone of vertebrate
2. Dorsal Hollow Nerve Cord- Spinal cord
Bundle of nerves in a fluid filled canal
3. Gill Slits
Paired openings in the pharynx behind the mouth...Sometimes only embryotic
4. Muscle Blocks
Body segments of stacked muscle layers
5. Bilateral Symmetry
6. Endo Skeleton
7. Closed Circulatory System
8. Nervous System -brain, sensory organs
9. Efficient respiratory system

Front 9

Characteristics of Class Agnatha - Jawless Fish
Lampreys and Hagfish with sucker like mouth:

Back 9

1. Cartilage Skeleton
2. Gills
3. Reproduction- Sexual- Male/Female: Usually external fertalization and a few internal fertilization
4. Two chambered heart

Front 10

Characteristics of Class Chondrichthyes- Cartilinous fishes ...Sharks, Rays, Skates-Living Fossils:

Back 10

1. Most fish have paired fins
2. Jaws-teeth
3. All fish have highly developed sensory system-Smeel and Lateral Line System
4. Scles
5. Some have internal Fertilization- I.E. Sharks

Front 11

Characteristics of Class Osteictheys- Bony Fish:

Back 11

1. Bony Skeleton- vertebra
2. Gills
3. Paired Fins ( See Picture)
4. Sense Organs- Swim Bladder
5. Reproduction- most external
6. 2 chambered heart

Front 12

3 Subclasses of Bony Fish:

Back 12

1. Lungfish- Gills and Lungs
2. Lobe Fin Fish- 1 living species...Coelacanth- fleshy fins..Deep water...Ancestor to tetrapods (4 limb animals with gills)
3. Ray fin fish- Cat fish, ferch, cod, etc.
fins supported by rays

Front 13

Class Amphibia:

Back 13

Thin Moist skin, 4 legs, no claws
3 Orders: Caudata- Salamander & newt
Anura- Frogs, toads
Apoda- legless caecilian

Front 14

Characteristics of Chordates:

Back 14

1. Live on land, H2O and both
2. Breed in Water
3. Eggs laid in water- lack protective membranes & shells
4. External Fertilization
5. Metamorphosis:
Frogs: Tadpole (fins, gills, 2 chambered heart, Water) to Adult (legs, lungs, 3 chambered heart, land)
Salamanders: Egg to Young Salamander (gills, fins, looks alot like adult) to Adult (no gills, no fins, 4 legs, breathe through skin)
6. Ectoderm
7. 3 Chambered Heart

Front 15

Class Reptilia:

Back 15

Snakes, Turtles, Alligatores, lizzards...Early- Cotylosaur (pg. 841)

Front 16

Characteristics of Class Reptilia:

Back 16

1. Dry, Scaley skin-Thick (Water loss and Predatores)-protection
2. 3 Chambered heart in most-*Some 4 chambered heart..I..E. Crocodile
3.Skeletol Changes- Legs and Claws&Jaws
4. Reproduction- Lay eggs
No larval eggs, Amniotic Egg, Internal Fertilization
5. Ectotherms

Front 17

Adaptations of Class Reptilia:

Back 17

1. Herbavores/Carnivores
2. Sense organs- smell- heat pits
Jacobsin organ

Front 18

Orders of Class Reptilia: Squamata

Back 18

Lizards

Front 19

Chebonia

Back 19

Turtles

Front 20

Crocodilia

Back 20

Crocodiles/ alligatores

Front 21

The 3 ways snakes kill!

Back 21

1. Constrict
2. Inject Venom
3. Swallow Food Whole

Front 22

Class Avae- 8600 species- birds
Similarities to reptiles:

Back 22

1. Clawed toes
2. Scales on feet
3. Internal Fertilization
4. Shelled amniotic eggs
Only organism with feathers
*Preening and Molting*

Front 23

Contour feather

Back 23

No Barbs

Front 24

Characteristics of Birds adapted for flight:

Back 24

1. Amphibian/ reptile/ bird-limbs
2. Sternam
3. Energy- 4 chambered heart, endothermes, large amounts of food
4. Bones- hollow
5. Airsacs- 1 to 2 or anterior/posterior. Airsacs-O2, always moving into lungs whether inhale or exhale
6.Reproduction- Internal Fertilization, Eggs, Incubate
7. Therapod (Pg. 852)- Ancestor of birds- dinosaur
-Archaeopetry- earliest known bird