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Classic Layout

Meiosis: Reductional Division

In order to grow, cells have two options. They must either replicate themselves to create more cells, or the cells themselves must expand in volume. In humans, tissues such as the skin and blood contain cells that are actively dividing, while other tissues such as fat contain cells that expand. …

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Soil Solid & Solution

In the soil, there are different kinds of constitunets. These properties are divided into two major types- solid and solution. This composition of soil solids and soil solution is discussed in this article.   Chemical Composition of Soil Solids Soil Solid consists of soil mineral matter and soil organic matter. The …

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Composition of Soil

Soil- a very common word to all of us living in this universe. You must have seen, even touched soil. But do you ever thought about what component/s are jot down to make such a major element of our environment? Soil is basically a mixture of few basic components- inorganic …

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Gymnosperms In Bangladesh

Gymnosperms are vascular plants that reproduces by means of an exposed seed, or ovule—unlike angiosperms, or flowering plants, whose seeds are enclosed by mature ovaries, or fruits. The seeds of many gymnosperms (literally “naked seeds”) are borne in cones and are not visible until maturity. So far Taxonomists have recognized 88 genera and more …

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Order of Gnetopsida

Many systems of classification of Gymnosperms have been proposed by different authors. According to the Classification of  Sporne (1965), Gymnosperms are classified into three classes. Among them, Gnetopsida is the third one. In this article, the only order of Gnetopsida is discussed in detail. Related articles Orders of Coniferophyta Orders of …

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Factors of Photosynthesis

Photosynthesis is a chemical reaction that takes place inside a plant, producing sugar type food for the plant to survive. Carbon dioxide, water and light are all needed for photosynthesis to take place. It happens in the leaves of a plant and the other green portions as well. This biochemical process is …

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Importance And Threats To Biodiversity

Importance Of Biodiversity Ecosystems and their species perform important biological services, for example, green plants remove carbon dioxide and release oxygen into the atmosphere, which helps keep the environment healthy and fit for human life. Economic arguments also provide compelling reasons for conserving species. Biodiversity has a number of functions …

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