Anything that grows on a plant and has seeds inside it is a fruit. A fruit is really just a package with one or more plant seeds in it. Many kinds of fruits are good to eat. Apples, oranges, pears,...
Seeds, stems, and salad stuff
All the foods we call vegetables come from some part of a plant. Lima beans, peas, and kidney beans are plant seeds. Radishes, carrots, and beets are plant roots. Onions are plant bulbs. Potatoes...
Fresh air to breathe
Did you know that every green plant in the world is like a kind of factory? It works from sunrise to sunset making food for itself. As it produces food, it gives off an invisible gas called oxygen....
What Plants Do for Us
rfW/MWtr Plants do a lot for us. We couldn't live without them. Plants give us vegetables, fruits, cereals, and most other foods we eat. Plants give us wood for building houses and making...
Looking at plants of long ago
How would you like to see a real leaf that might have been touched by a dinosaur---a leaf that's more than 100 million years old? It seems almost impossible, but such leaves really have been found! ...
The forests that turned to coal
> Today, horsetails are small. But millions of years ago, they were as > tall as trees. > > horsetails The air was hot and wet. The ground was soft and oozy. Dragonflies with wings as long as...
The snaky plants
About 400 million years ago, the plants on land looked like snakes with stalks on their backs. The long, snaky, rootlike stems of these plants curled over the ground. Tiny hairs grew out of the...
The soil makers
Hundreds of millions of years ago, all the land was just bare, hard rock, sand, or clay. Now, soil covers most of the land. Where did the soil come from? Plants and weather made it. The first living...
The plants that conquered the land
Scientists think that the first living thing on land came out of the water about 500 million years ago. The sea was full of living things. There were jellyfish, sponges, worms, and small, crablike...
The air makers
Most scientists think that the first tiny sea plants made it possible for life to come onto the land. To live, plants and animals must take in a gas called oxygen. The tiny sea plants and animals of...
