Sherman Hollar's A Closer Look at Bacteria, Algae, and Protozoa (Introduction PDF

By Sherman Hollar

ISBN-10: 161530584X

ISBN-13: 9781615305841

Micro organism, algae, and protozoamicroorganisms which are simply missed in our day-by-day livescan be present in a large choice of destinations and serve innumerable ecological reasons. whereas a few such organisms were linked to illness, they've got additionally been helpful in agriculture and within the construction of definite meals, medicinal drugs, and different must haves. This informative quantity examines the houses and makes use of of those strong and crucial existence varieties. picture organizers and specified photographs convey the miniscule information of those entities to the leading edge.

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Additional info for A Closer Look at Bacteria, Algae, and Protozoa (Introduction to Biology)

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The study of certain types of algae lends insight into the evolution of plants. Such study has shown that green algae and plants are closely related and thus share an evolutionary history. Green algae and plants share many characteristics, including the composition of their chlorophyll pigments and their cell walls. Although green algae have no true roots, stems, or leaves, these traits are also characteristic of the Bryophyta, a group of plants that includes mosses and liverworts. The simplest algae are single-celled organisms that float about in the water and absorb food through their cell walls.

They sometimes accumulate on the sides of glass aquariums. Although usually found in water and moist places, some species of algae inhabit the soil and can survive dry conditions for a long time. Algae may be found on leaves, especially in the tropics and subtropics, and on wood and stones. Some 45 A closer look At BActerIA, AlgAe, And ProtozoA Caption TK 46 feAtures And tyPes of AlgAe species live within or on plants and animals. Certain species capable of tolerating temperatures of 176 °F (80 °C) dwell in and around hot springs, and certain other species live in the snow and ice of the Arctic and Antarctic regions.

They are prepared by injecting bacterial toxins into live animals. The blood is later collected and the serum is separated from it by chemical means. Antitoxins act more quickly than vaccines, but the protection usually lasts no more than a few weeks or months. Vaccines, however, protect for a year or longer. Some kinds of microorganisms secrete substances called antibiotics that can destroy other microbes. Penicillin, the bestknown antibiotic, is the product of a mold. Bacitracin and polymyxin are made by bacteria.

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A Closer Look at Bacteria, Algae, and Protozoa (Introduction to Biology) by Sherman Hollar


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