Answer:
D i believe.
Explanation:
niche= the match of a species to a specific environmental condition
True, because the kidneys filter out waste in most living things.
Answer: Element
Explanation: An element is a pure substance that cannot be separated into simpler substances by chemical or physical means.
Each element has unique physical and chemical properties.
Plz mark brainliest:)
Sounds like a trick question.
Maybe not. contamination is easy, but gloves are a barrier between other organic material on yourself (such as what you ate for lunch) and what you are testing.
Other than the fact your DNA will be different than another person’s DNA, if we assume you are theoretically free of debris of any kind, then your DNA would test the same always.
Note: any contamination after purifying extract for a small sequence can give false positives. There are repeat sequences possible that would interfere if you are testing a small enough sequence.
I hope that helps!
