diatom
A Prokaryotic cell does not contain a nucleus. It only contains one chromosome and is a single-celled organism. It was the only form of life on earth for millions of years. Examples of a Prokaryotic cell are the different types of bacteria present today.
A Eukaryotic cell contains a nucleus; more than one chromosome and is typically a multi-celled organism. <span>Both plant and animal cells are eukaryotic cells.</span>
Answer:hope this might help
plant cells have cell wall,has a large vacuole,cytoplasms is less dense,lysosome is absent.
animal cells don’t have a cell wall , has small or no vacuole,cytoplasm is more dense,lysosome is present.
Explanation:
Answer: Option C.
Emissions from coal burning plants which then rain down on water ways.
Explanation:
Mercury has been found to be most serious and most common water contaminants. Mercury causes water pollution. It is released into the air and falls back in water ways. When it's get to water ways, bacteria changes it to methylmercury, if absorbed by aquatic organisms destroyed them. When consume by humans, it causes neurological disorder and kidney problem. The two major sources of Mercury contaminants in water ways are emissions from burning of coal plants and waste incinerators.
This is false the most classified animal groups are mammals and birds. The third most classified animal group is the fish.
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Answer:
The body would break down existing muscle to get the amino acids it need
Explanation:
