View
230
Download
2
Category
Tags:
Preview:
Citation preview
5/195/191. What are characteristics of birds?2. What are the different type of birds?3. What are characteristics of reptiles?4. How are crocodiles and alligators different?5. What adaptations do birds have for flight?6. How is a salamander different then frogs?7. What is a row of sense organs on a fish called?
VertebratesVertebratesVertebratesVertebrates
Phylum:Phylum: ChordateChordate
All Vertebrates are chordates, BUT not all All Vertebrates are chordates, BUT not all chordates are vertebrateschordates are vertebrates
Tunicate Lancelet
Chordate CharacteristicsChordate Characteristics Notochord
Gives the body structureMay be replaced with a backbone
Hollow Nerve cordSpinal cord in humans
Pharyngeal PouchFound in all embryosMay turn into gill slits or other body parts
Tail Broken into two groups: invertebrates and vertebrates
Vertebrate CharacteristicsVertebrate Characteristics
Have a backbone Have endoskeletons Bilateral symmetry Reproduce Sexually Ex. Fish, reptiles, amphibians, birds and mammals
FishFishMovement: finsRemove oxygen from the water with gillsCold BloodedLateral Line systemReproduction:
External, some are internalLay eggs
Three type of fishThree type of fish Jawless No bones- skeletons are made of cartilageRound, jawless mouthsEx. Hagfish and lamprey
Cartilaginous No bones- skeletons are made of cartilageJawNo swim bladderEx. Sharks and rays
Bony fishSkeletons are made of boneSwim bladder for buoyancyEx. Flounder and trout
AmphibiansAmphibiansMeans double lifeCold bloodedThin moist skinSexual reproduction
most external fertilization
Lay eggs in water
MetamorphosisMetamorphosis–Young
have gills,have a tail live in water
–Adults have lungs,no tailLive on land near water
Two typesTwo typesSalamanders and newts
Keep tails as adultsFrogs and toads
Fogs: smooth moist skinToads: dry, bumpy skin
ReptilesReptilesCold bloodedHave lungsInternal ReproductionLay eggs on land
Hard, leathery shell
Amniotic eggs
Three typesThree typesAlligators and crocodiles
Are carnivoresAlligators- broad rounded snoutsCrocodiles- narrow pointed snouts;
teeth are visible when mouth is closedTurtles
Have shells for protectionLizards and snakes:
lizards lay eggs, snakes do not!!
BirdsBirds Warm blooded Internal fertilization
Lay eggs on land have amniotic fluid and a hard shellNurture their young (take care of them)
Only animal with feathersDown feathers- for insulationContour feathers- stiff, streamlined for flight
Flight AdaptationsFlight AdaptationsFeathersLightweight body with hollow bonesHigh metabolism (digest food quickly for
energy)Diet consists of high protein Air sacs – store oxygenStrong flight muscles
Four different typesFour different typesFlightless-
Unable to fly- short wingsEx.Penguin, ostrich
Water birdsGood swimmers- webbed feetEx. Ducks, geese
Types cont.Types cont.Birds of prey
Talons, curved beak, good eyesightEx. Hawk, owl, eagle
Perching (Song Birds)Feet are adapted for branchesEx. Cardinal, blue jay
MammalsMammalsWarm bloodedHave hair or furHave mammary glands –feed their
young with milkSexual reproduction
Internal fertilizationNurture young
Types of mammals(classified based on the way they
develop)
Types of mammals(classified based on the way they
develop)
MonotremesLay eggsEx. Duckbill platypus, spiny anteater
MarsupialsGive birth to live young that are not well
developedYoung develop in pouch like structure in the
mothers bodyEx. Kangaroo, koala, opossum, wallabies,
Tasmanian devil
Placental mammalsPlacental mammalsGive birth to live young that can function
independently (develop within the mother’s body first)
Placenta- where food,oxygen and wastes are exchanged between mother and child
Placental mammals cont. Placental mammals cont.
Ex. Humans, bats, lions, seals, bears, manatees, elephants, monkeys, etc.
Recommended