Answer :
1. They appeared on land about 140 million years ago.
2. The name was created in 1690 by Paul Hermann
3. There are two main classes of angiosperms, monocots and dicots.
2. The name was created in 1690 by Paul Hermann
3. There are two main classes of angiosperms, monocots and dicots.
1.) There are more than 250,000 known species of angiosperms
2.) They are the largest and most species rich phylum of plants
2.) They are the largest and most species rich phylum of plants
