In this article we will discuss about the Characters and Economic Importance of Algae. Characters of Algae. 1. Algae are usually aquatic, either marine or fresh water. Only a few algae occur in moist terrestrial habitats like tree trunks, wet rocks, moist soil, etc. 2. Plant body is thallus (a form without any differentiation into root, stem and leaves) which [...]
The below mentioned article provides study notes on Dicots and Monocots. Angiosperms are divided into two subgroups, dicotyledonous and monocotyledonous plants, mainly on the basis of number of embryonic leaves or cotyledons. The two are commonly spoken as dicots and monocots. Dicots: They are angiospermic or flowering plants which are characterised by the presence of two cotyledons in the seed, [...]
The below mentioned article provides a study note on Angiosperms - The Flowering Plants. Angiosperms are those seed plants in which seeds are formed inside fruits and the sporophylls are organised into flowers. 1. Flowering plants or angiosperms are the most recently and highly evolved plants. They appeared on earth about 130 million years ago. First angiosperm fossil recorded from [...]