Download A closer look at bacteria, algae, and protozoa by Sherman Hollar PDF

By Sherman Hollar

Describes the actual features of bactera, algae and protozoa, and some of the clinical and commercial makes use of of bacteria.

Show description

Read or Download A closer look at bacteria, algae, and protozoa PDF

Similar science & technology books

Plate Tectonics, Volcanoes, and Earthquakes (Dynamic Earth)

The devastation wrought by means of earthquakes and volcanoes frequently obscures the truth that those damaging forces also are the most artistic at the planetindeed, the life of mountains and continents could scarcely be attainable if traditional forces have been to return to an entire standstill. With unique diagrams outlining the constitution of continental and oceanic crust and the distribution of significant plate movement, this ebook introduces readers to the diversity of task that may form or decimate a whole area.

Fungi, Algae, and Protists

Fungi, protists, and algae are one of the so much various existence types on the earth. Tiny protists variety from crops to animals. Algae diversity from unmarried celled vegetation to 60-foot-long kelp. Fungi occupy a country in their personal. even if their position in natureneither really crops or animalsmay lead them to appear unusual, they're really relatively general to us for his or her use in quite a few meals, drugs, and biotechnologies.

Are Cell Phones Dangerous?

With nearly five billion humans utilizing cellphones this present day, issues were raised that those units might impression well-being and defense. via goal dialogue, various direct rates, and full-color illustrations this identify examines What Are the Origins of the mobile phone Debate? Does mobile phone Use bring about melanoma?

Extra info for A closer look at bacteria, algae, and protozoa

Sample text

The majority of red algae live in tropical marine habitats, and most species are multicellular. Red algae have a complex life history, which means they go through several stages of development as independent organisms in order to complete their life cycle. Most undergo sexual reproduction. Like many algae, rhodophytes contain chlorophyll and thus are able to photosynthesize their own food. Red algae also contain the reddish pigment phycoerythrin, which confers on them their characteristic color.

Autotrophic bacteria can grow on powdered Bacteria that produce color include Pseudomonas aeruginosa, from sputum. W. Rakosy/EB Inc. 40 the ImPortAnce, dAngers, And uses of BActerIA sulfur and other inorganic substances and get carbon from carbon dioxide in the air. Sugars, amino acids, and vitamins are used for some heterotrophs. Blood may be added to cultures used to grow some pathogenic species. The identification of bacteria can be difficult and traditionally requires application of numerous Bacteria that produce color include Serratia marcescens, from a dirty utensil.

Most of the weeds are S. natans, a free-floating species, but many other species of Sargassum grow attached to rocks along coasts. S. natans, which is kept afloat by its small but prominent berrylike air bladders, travels with the wind and current. It supports a specialized marine life and provides for seabirds a resting place in the middle of the ocean. An inch-long baby flying fish swims in berried branches of sargassum, Sargasso Sea, Atlantic Ocean. Paul Zahl/ National Geographic Image Collection/Getty Images 57 A closer look At BActerIA, AlgAe, And ProtozoA Chlorophyta: The Green Algae There are approximately 6,000–8,000 species in this group, 10 percent of which are marine.

Download PDF sample

Rated 4.20 of 5 – based on 19 votes

Author: admin