The organism that grows on the body of another organism and derives nutrients from it is known as a parasite. The organism that obtains nutrients from the dead or decaying organic matter is called saprotroph.
Mitochondria is the answer.
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A GWAS can be performed by actually genotyping as few as 300000 to 1million
B. I think I'm not so sure but that's my best guess.
Answer:
The scientific method may not follow the exact same steps each time because experiments are different. Some may have many more steps to follow to reach the conclusion, while others may take less time and have less steps. For example, some experiments may require a chart or graph of the results to be made, while others do not need that to display the results