Animal Kingdom

Vertebrates and Invertebrates Vertebrates have a backbone Invertebrates do not have a backbone More invertebrates than vertebrates

What are the 5 classes in the vertebrate phylum? Birds Fish Amphibians Reptiles Mammals

Birds What makes a bird a bird?

Birds Warm-blooded Have feathers Breathe with lungs Have wings Lay hard shelled eggs

Interesting Bird Facts Over 10,000 species worldwide Have hollow bones to help them fly Some birds migrate long distances Some birds make tools and use them Ostrich is the largest bird Also the fastest bird, runs up to 45 mph

What is the most common bird in the world?

Fish Cold-blooded Live in water Have fins Breathe through gills Lay eggs, sharks have live birth Most have scales that protect them

Interesting Fish Facts Over 25,000 species in the world Live in both fresh and salt water 40% of fish live in fresh water and less than 1% of the world is fresh water

Which fish is the most valuable?

Amphibians Cold-blooded Moist, permeable skin Breathe with lungs, skin, or gills Lay eggs, usually in water Life cycle includes a larval stage

Interesting Amphibian Facts Live on land and in water There are about 6,000 species Nearly 1/3 of all amphibians are either threatened or endangered Chinese giant salamander is largest amphibian growing 6 feet long

Reptiles Cold-blooded Are covered by scales Breathe with lungs Most lay leathery eggs The young are left to fend for themselves

Interesting Reptile Facts There are about 8,000 species 2/3 of the world’s snakes are non-poisonous In the U.S. more people die each year from bee stings than snake bites

What are WE? MAMMALS

Mammals Warm-blooded Breathe with lungs Give live birth Mothers nourish young with milk Have hair Large well developed brains

Interesting Mammal Facts Largest mammal is the blue whale Smallest is the hog nosed bat Bats are the only mammal that can fly Fastest land mammal is the cheetah Fastest water mammal is the killer whale

Review Which types of animals give birth to live young? Which class has feathers? Which phylum do birds, fish, amphibians, reptiles and mammals belong? Who nourishes their young with milk? Which class uses gills to breathe?