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Artyom0805 [142]
3 years ago
7

Which indicates the authenticity of a primary source document? Which best compares competition, cooperation, and predation betwe

en two organisms?
Biology
1 answer:
arsen [322]3 years ago
6 0

Answer: To know if a document is a primary source, check to see when the document is published, if it is an autobiography of a person, a diary, a letter, or the documents happen at the time of the event.

The competition between two organisms can be seen if there is only 1 source of food or habitat space and they're competing against each other for the food or habitat.

There is cooperation between two organisms if they are helping each other with resources or alarming each other if there is danger.

Predation between two organisms happen when one organism hunts the other organism for food.

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Provide information regarding microbial size, shape, motility, and differentiation of the following preparations: spore stain, n
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No gram stain cannot be used because influenza virus causes flu and virus has no cell wall which we could stain.

Further explanation

Microbial size

A reasonable standard for estimating organisms is the micrometer which is multiple times littler than a meter (one-millionth of a meter). There are 106 µmeters in one meter, and it is these units that are utilized to quantify the size of microscopic organisms. Normally, microscopic organisms extend from around 1 µm to around 5 µm.

Microbial shape

There are a huge number of microbes, yet every one of them are essentially of three unique shapes. Some are rod like and called bacilli and E. coli is rod shaped. While some are round in shape like cocci e.g Staphylococcus. Third type is spiral like and is called spirilla.

Motility of microbes  

The have the ability to swim or crawl frequently and interact with their physical and chemical environments.

Spore staining

It is a technique which is used for differentiation and we dye the cell wall and spores of bacteria.

Simple stain

It is one of very simple methods which involves only a single solution for staining.

Hanging drop slide

It is a technique which used wet mount and organism is dipped in it and then that organism is placed on a slide under microscope for analysis.

Gram stain

In this technique in which an organism is stained. It may be gram positive or gram negative.

Answer details

Subject: Biology

Level: college

Key words

  • Microbial size
  • Microbial shape
  • Motility of microbes  
  • Spore staining
  • Simple stain
  • Hanging drop slide
  • Gram stain

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