Question

short notes on bacteria,fungi,algae,protozona

Answer 1

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✔ BACTERIA : Bacteria are very small,single celled micro organisms which have cell walls but do not have an organised nucleus and other structures..Bacteria are found in large numbers everywhere: in air; soil and water;every surface around us;on our bodies even inside our bodies...Bacteria are larger than virus but still very small.
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✔ FUNGI : Fungi (kingdom Fungi) are heterotrophs. They cannot manufacture their own food as photosynthetic organisms can.

Most species of fungi are saprotrophic ; they decompose dead matter. Some species are parasites and others are mutualistic.

Fungi are the principle decomposers in every ecosystem. They can break down most organic compounds including lignin, a compound that is a major component of wood and is very difficult to break down or digest.

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✔ ALGAE : Algae are very large and diverse group of simple, typically autotrophic organisms, ranging from unicellular to multicellular forms. They are photosynthetic like plants, and their tissues are not organized into the many distinct organs like land plants. 
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✔ PROTOZOA : Single-celled eukaryotes (organisms that possess membrane-bound organelles and nuclei).

Protozoa are found as ubiquitous free-living organisms in the environment. They are classified as sporozoa (intracellular parasites), flagellates (which possess tail-like structures for movement), amoeba (which move using temporary cell body projections called pseudopods), and ciliates (which move by beating multiple hair-like structures called cilia).

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