Notes and Study material for Exams
Each organism is different from other organisms. The total number of species living on the planet is imprecisely known and published estimates vary from 12 million to over 100 million. This is because there are large numbers of species yet undiscovered and undescribed, and there is not always agreement on whether certain organisms should … Read more
Biological Weathering Biological weathering is the breakdown of rocks and minerals by living organisms. It is a type of Physical Weathering that is caused by the activities of plants, animals, and microorganisms. The following are the subtopics of biological weathering: Root action Burrowing animals Lichens Bacteria Fungi Algae Biological weathering is the breakdown of rocks … Read more