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24 Cards in this Set
- Front
- Back
Characteristics of Phylum Echinodermata:
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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 |
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Diversity of Echinoderms:
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6,000 species: Most in class Asteroidea
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Classes:Asteroidea
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Starfish
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Ophinroidea
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Brittle Star : Regeneration
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Echinodea
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Sea Urchins, Sand Dollars (Globe Shape, No Rays)
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Holothureidea
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Sea Cucumbers
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Crinoidea
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Sea Lilies, Feather Stars
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Characeristics of Chordates:
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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 |
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Characteristics of Class Agnatha - Jawless Fish
Lampreys and Hagfish with sucker like mouth: |
1. Cartilage Skeleton
2. Gills 3. Reproduction- Sexual- Male/Female: Usually external fertalization and a few internal fertilization 4. Two chambered heart |
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Characteristics of Class Chondrichthyes- Cartilinous fishes ...Sharks, Rays, Skates-Living Fossils:
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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 |
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Characteristics of Class Osteictheys- Bony Fish:
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1. Bony Skeleton- vertebra
2. Gills 3. Paired Fins ( See Picture) 4. Sense Organs- Swim Bladder 5. Reproduction- most external 6. 2 chambered heart |
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3 Subclasses of Bony Fish:
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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 |
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Class Amphibia:
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Thin Moist skin, 4 legs, no claws
3 Orders: Caudata- Salamander & newt Anura- Frogs, toads Apoda- legless caecilian |
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Characteristics of Chordates:
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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 |
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Class Reptilia:
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Snakes, Turtles, Alligatores, lizzards...Early- Cotylosaur (pg. 841)
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Characteristics of Class Reptilia:
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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 |
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Adaptations of Class Reptilia:
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1. Herbavores/Carnivores
2. Sense organs- smell- heat pits Jacobsin organ |
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Orders of Class Reptilia: Squamata
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Lizards
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Chebonia
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Turtles
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Crocodilia
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Crocodiles/ alligatores
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The 3 ways snakes kill!
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1. Constrict
2. Inject Venom 3. Swallow Food Whole |
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Class Avae- 8600 species- birds
Similarities to reptiles: |
1. Clawed toes
2. Scales on feet 3. Internal Fertilization 4. Shelled amniotic eggs Only organism with feathers *Preening and Molting* |
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Contour feather
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No Barbs
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Characteristics of Birds adapted for flight:
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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 |