ANIMAL KINGDOM

INVERTEBRATES

SPONGES

• They filter water
• Only has 2 layers of cells
• Spicules form it's skeleton
• There are 5000 known species

CNIDARIANS

• All cnidarians sting
• Are carnivores
• Only has one opening
• 90% of jelly fish is made of water

WORMS

• Flat worm: digestive system has 1 opening
• Round worm
• Parasitic worms

MULLUSKS

• Soft body with no bones
• Clams filter
• Squids have a shell in there inside
• They have a muscular foot

ARTROPODS

ARACHNIDS

• 8 legs
• No antennas
• Sharp parts to inject poison

CRUSTATIONS

• 3 body segments head, thorax, abdomen
• Lives in water
• They have two pairs of antennas to feel surroundings

INSECTS

• 6 jointed legs
• Many have wings
• The only invertebrates that can fly
• The largest group of artropods

ECHINODERM

• Only live in the ocean
• Starfish grow new limbs
• Sea cucumbers grow to 10ft
• Starfish tube feet to pry open clams

VERTEBRATES

FISH

• Cold blooded
• Female sharks have 2 times thicker skin than males
• Hammer head sharks travel is schools sometimes
• Sharks have a very good sense of smell

AMPHIBIANS

• Cold blooded
• Slimly skin
• All develop in water/metamorphosis
• A egg has a jelly coat but not water proof
• First it has 2 heart chambers then 3 chambers

REPTILES

• Cold blooded
• Most have 4 legs
• Most hatches from eggs
• Snakes shed skin
• Some snakes are deadly

BIRDS

• You can classify a bird by its beak and feet
• All birds are warm blooded
• Have wings but some don't use them to fly
• Have a strong holo skeleton
• birds have feathers. Two types of feathers

MAMMALS

• Warm blooded
• Most give live birth
• All have fur
• All breath air

SORCES