Classifying Animals
- Created by: E456
- Created on: 28-02-17 17:46
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- Classifying Animals
- Phylum Vertebrates
- Fish
- vertebrates with scaly skin
- have gills
- have fins
- e.g tiger shark
- Amphibians
- vertebrates with moist, scale-less skin
- eggs laid in water, larva (tadpole) lives in water
- adult often lives on land
- larva has gills, adult has lungs
- e.g. frog
- Reptiles
- vertebrates with scaly skin
- e.g. snake
- lay eggs with rubber shells
- Birds
- vertebrates with feathers
- forelimbs have become wings
- lay eggs with hard shells
- endothermic
- have a beak
- heart has four chambers
- e.g. sparrow
- Mammals
- vertebrates with hair
- have a placenta
- young feed on milk from mammary glands
- endothermic
- have a diaphragm
- heart has four chambers
- have different types of teeth (incisors, canines, premolars and molars)
- e.g. leopard
- Fish
- Phylum Arthropods
- Insects
- arthropods with three pairs of jointed legs
- two pairs of wings
- breathe through tracheae
- body divided into head, thorax and abdomen
- e.g. locust
- Crustaceans
- arthropods with more than four pairs of jointed legs
- not millipedes or centipedes
- breathe through gills
- e.g. crab
- Arachnids
- arthropods with four pairs of jointed legs
- breathe through gills called book lungs
- e.g. spider
- Myriapods
- body consists of many segments
- each segment has jointed legs
- e.g. centipede
- Insects
- Phylum Vertebrates
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