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By:Jessica Bender, 10ASylvia Rauch, 10C
THE DIVERSITY OF LIFE
The Classification System and Kingdom Animalia
Linnaeus
invented classification system
a Swedish naturalist
a century before Darwin
classified all living things in 1735
his system of classification used today
KingdomsPhylaClassesOrdersFamiliesGeneraSpecies
The classification system
Two Latin names
living organism:
first name : genus
capital letter
second name : species
small letter
Printed in italics
Should be underlined
Kingdom Animalia
no photosynthesis
no chlorophyll
no cell walls
eat other organisms
move to find food
Kingdom Animalia :many Phyla
For example:
Phylum Annelida
Phylum Cnidaria
Phylum Mollusca
Phylum Athropoda
Phylum Chordata
Phylum Annelida
Characteristics:
Worms
Segmented body
Live in water, moist soil
No legs
Bristles
Example: Earthworm ( Lumbricus terrestris)
Phylum Cnidaria
Characteristics:
Jellyfish, sea anemones
In water
Body dry out
Tentacles
One opening
Wall two layers
Example: Hydra viridis
Phylum Mollusca
Characteristics:
Animals, unsegmented bodies
Have a shell
Octopuses , no shell
Example: Garden snail ( Helix aspersa)
Phylum Arthropoda
Characteristics:
Animals, several pairs of jointed legs
No backbone
Waterproof exoskeleton
Example: Edible crab ( Cancer pagurus)
Class Crustacea belongs to Phylum Arthropoda
Characteristics:
Crabs, lobsters, woodlice
More than four pairs of jointed legs
Gills
Two pairs of antennae
Example: Spiny lobster ( Palinurus vulgaris)
Class Arachnida belongs to Phylum Arthropoda
Characteristics:
Spiders, ticks, scorpions
Four pairs of jointed legs
Gills, book lungs
Example: Spider ( Araneus diadematus)
Class Insecta belongs to Phylum Arthropoda
Characteristics:
Three pairs of jointed legs
Two pairs of wings
Tracheae
Dry places
Protect from drying out
Example: Desert locust ( Locusta migratoria)
Class Chilopoda belongs to Phylum Arthropoda
Characteristics:
Centipedes
Segments, pair of appendages
Fast- moving carnivores
Example: Centipede ( Lithobius forficatus)
Phylum Chordata
Characteristics:
Supporting rod
Backbone
Vertebrates
Example: Fish, Snake, Bird , Dog, Human
Class Pisces belongs to Phylum Chordata
Characteristics:
Fishes
In water
Gills, fins
Scaly skin
Example: Herring ( Clupea harengus)
Class Amphibia belongs to Phylum Chordata
Characteristics:
Adult, on land
Larvae, in water
Adult, lungs, larvae, gills
Scale-less skin
Example: Frog ( Rana temporaria )
Class Reptilia belongs to Phylum Chordata
Characteristics:
Scaly skin
Eggs with shells
Waterproof shell
Breed on land
Example: Grass snake ( Natrix natrix)
Class Aves belongs to Phylum Chordata
Characteristics:
Birds
Eggs with waterproof shell
Feathers
Wings
Beak
Homeothermic
Example: Robin ( Erithacus rubecula)
Class Mammalia belongs to Phylum Chordata
Characteristics:
Humans
Vertebrates with hair
Placenta
Young fed on milk
Homeothermic
Teeth
Heart
Diaphragm
Example: Cat ( Felis catus)
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