insects

Insects have 6 legs. Insects don't have skin. Insects have there skeleton outside. Insects have so many lenses. grasshoppers make sounds by scratching their leg to their wing  

Mammals

Mammals are hairy and warmblooded and big and humans are mammals.  Mammals need their parents, because they need to drink milk from their mother. 
animals get energy for eating food. Mammals are the only one with hair. Not all mammals live in land some live in water. Smell is very important for mammals.

Cells

All plants and animals are made of cells .a cell is tiny blood bubble. Tiny compartments of life. All of the animals have different kind of cells. Cells reproduce to other cells. Not all blood sells are red. some cells are white.  

Bones and Muscles

if you don't have any bones you will fall down but if you have bones you can stand up. You need all of your stuff inside you two move or stand up and lift something. Your bones and muscles help you move. a human is just a bunch of bones and Muscles. The muscles in your body helps you move and your bones help your body be strong. Bones form the framework, ligaments help your bones connect together, muscles move the bones, the tendons anchor the muscles to the bones. The teeth are the strongest bones in your body. There are 3 bones in your ear the anvil and hammer and the stirrup. Humans have joints in our fingers and jaw. In our hand the joints some joints don't move their called fixed joints. a sparrow has more bones at its neck then a giraffe does the largest bone ever found was a brachiosaurus arm bone.

Birds 2

There are many kind of birds. there are big birds little birds. Birds and humans are warmblooded. birds and humans have skeletons. birds have arms and legs. Birds have feathers to fly. Birds have hollow bones their bones are strong. Not all birds can fly some swim in the water but all birds have feathers. The feathers of a bird is related to reptile scales. Birds have very strong hearts and huge lung and powerful wing muscles. The red tailed hawk are really smart it can see animals through grass and charge at it and it knocks it out. these are the owls barn owls eat rats and the barred owl hunts squirrels and other rodents the other owl is called the great horned owl is a enemy of skunks. Birds eyes are stuck on the sides of the head that allows them to see in front of them and behind them. Penguins are birds but they swim for them swimming is like flying. The hummingbirds have really fast wings and they love to drink the stuff inside flowers the mother hummingbird teaches the baby hummingbirds to fly the baby humming keep the food that the mother gives them it is called the crop.