Read this essay to learn about ecosystem. After reading this essay you will learn about: 1. Meaning of Ecosystem 2. Components of Ecosystem 3. Productivity 4. Diversity 5. Ecosystem Goods and Services 6. Homeostasis. Essay Contents: Essay on the Meaning of Ecosystem Essay on the Components of Ecosystem Essay on Ecosystem Productivity Essay on Ecosystem Diversity Essay on Ecosystem Goods [...]
The below mentioned article provides an essay on antibiotics. Organic compounds produced by fungi and other organisms, especially bacteria which inhibit the life processes of microorganisms are known as antibiotics. But Waksman (1947) defined antibiotics as organic compounds produced by microorganisms, which in dilute concentrations have the capacity to inhibit the growth and even destroy other microorganisms. Other workers in [...]
The Pteridophytes comprise of the lower vascular plants (Trachaeophyta) which show distinctly vascular, independent sporophytic plants arising from embryos (Embryophyta or Cormophyta) which are not enclosed within any 'seed' structure. These alternate with independent gametophytes which are almost bryophytic in appearance and bear antheridia and archegonia (Archegoniatae). These lower vascular plants are called the Pteridophytes or the Pteridophyta. Although numerically [...]