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Ivanshal [37]
3 years ago
12

Some species of bacteria benefit humans​

Biology
1 answer:
avanturin [10]3 years ago
7 0

• E. Coli are found in the intestines of humans and aid in digestion.

• Streptomyces is used in making antibiotics.

• Rhizobium are helpful bacteria found in the soil. They convert nitrogen in the soil

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Explanation:

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Two organisms have analogous structures. A student concluded that these organisms must have a common ancestor is the student cor
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  • <u>Analogous Structures:</u>

As the similarity between two or more different organisms structure or any organ does not means that they have same ancestors or have the common origin from which the evolve into two different species. Now analogous structures are very much similar in there structure physically, but two different organisms may use them for the same function, which is astonishing to see or observe in way different species.

  • <u>For example:</u>

As the structure of the flipper of a Dolphin has similarity with the phalanges of a human being and with the wings of the bat. As all of them functions for the basic need of movement or locomotion from one point to another. While, all the three species are very much different in there features and are not the same obviously.

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3 years ago
Why is cell size limited
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A pure culture in the exponential growth phase has a bacterial concentration of 6.4 x 108 cells/ml. If the bacterium has a gener
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