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Classifying animals - Coggle Diagram
Classifying animals
Vertebrates
Amphibians
Adults have lungs and moist skin to help them breathe on land
The young have gills to help them breathe in water
Cold blooded
Most spend their adult lives on land and return to the water to lay eggs
Birds
Lungs for breathing
Have beaks and wings but not at all can fly
Warm blooded
Lay eggs with hard shells
Characteristics
Fish
Have gills for breathing
Their fins, tails, and streamlined bodies help them move in the water
They have scales on their skins for protection
Cold blooded
Live in the water
Most reproduce by laying eggs
Reptiles
Lungs for breathing
Have dry, scaly skin
Cold blooded
some live on land and some in water
lay eggs with leathery shells to prevent the eggs from drying up
Mammals
Characteristics
Bodies covered with hair or fur
Lungs for breathing
Mothers feed their young with milk
from mammary glands (hence the
name 'mammals'
Give birth to live young
Warm blooded
Invertebrates
Invertebrates with joined legs (Arthropods)
Crustaceans
Millipedes
One pair of antennae
have simple eyes or no eyes
Have many legs, with two pair on each body segment
Centipedes
One pair of antennae
Most have simple eyes or no eyes
Have many legs, with one pair on each body segment
They are mainly carnivorous
Their heads are not clearly defined
Have two pairs of antennae
Most have compound eyes
Most have gills and live mainly in water
Arachnids
Have simple eyes
Do not have antennae or wings
Have four pairs of legs
Insects
Have three pairs of legs
Have three body segments
Have one pair of antennae
Most have compound eyes
Most adults have wings
Invertebrates without joined legs
Sponges
Do not have true organs
Have tiny pores through which water enters
They live in water
Molluscs
Have unsegmented bodies
Their soft bodies are usually protected by hard shells
Have organs
Have separate openings for mouth and anus
Annelids (segmented worms)
Bodies are divided into many segments
They have organs
Have separate openings for mouth and anus
Cnidarians
Do not have true organs
They attack their prey with stingers or tentacles
They live in water
Echinoderms
Spines or bumps on their skin
They have five-way radial symmetry
Have organs but not heads
Have separate openings for mouth and anus
Live in water
Roundworms (Nematodes)
They have round, unsegmented bodies
They have organs
Have separate openings for mouth and anus
Flatworms
They have organs
They have flat, unsegmented bodies
Food and waste enter and exit through the same opening