32 Do you know how scientists group animals? Animals are living things.Animals are different.Scientists put all animals into 2 main groups, just like plants.Do you remember how we group plants?Yes, that’s right!Plants with flowers and plants without flowers.Do you know how scientists group animals?
45 AnimalsAnimals are living things.Animals are different from each other.Animals can be separated into 2 groups.Some animals have backbones.Some animals do not have backbones.
46 What Has Backbones? There are animals with backbones, Like mammals, yes, mammals.Dog and cats, skunks and chipmunks,All have backbones.There are animals with no backbones,Like octopus and spiders.Yes, octopus and spiders.Have no backbones.There are animals with no backbones,Like insects, yes, insects.Ants and bees, diving beetlesHave no backbones.There are animals with backbones,Like amphibians and reptiles.Frogs and toads, snakes and turtles,All have backbones.There are animals with backbones,Like birds and fish.Hawks and owls, and catfish,All have backbones.