Answer:
The original water sample contains 830,000 cells per milliliter.
Explanation:
A sample of well water is tested for its bacterial content in a plate count assay. A one-milliliter sample of the water is diluted in a 1:10 dilution series. One milliliter of the fourth dilution tube is plated in a pour plate. After incubation, the plate has 83 colonies, indicating that the original water sample contained 830,000 cells per milliliter.
The dissolved sugars produced in the leaves of a maple tree move to the roots through the<em><u> phloem</u></em>. It is a tissue that transports nutrients to where it is needed
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The organisms<span> that eat the producers are the primary consumers. They tend to be small in size and </span>there<span> are many of them. ... Because of this inefficiency, </span>there<span> is only enough </span>food<span> for a </span>few top<span> level consumers, but </span>there<span> is lots of </span>food<span> for herbivores lower down on the </span>food chain<span>.</span>
Answer:
Spinal cord is a colon of nerve tissue that runs from the base of the skull to the center of the back.
Its function is to act as a highway communication between the body and the brain.
Explanation:
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