Answers/ Explanations:
- Water is considered a <u>'Natural'</u> resource (Fresh water is also considered a <u>'limited'</u> resource.
- Oil, coal, and natural gas are considered <u>'Non-renewable'</u> resources.
- <u>'Chemical'</u> energy is able to be replaced within the ecosystem for human use.
- A farmer who wants to produce the best crop yield will use '<u>Precision Farming.'</u>
- When a pollutant increases in concentration at higher levels of the trophic level, <u>'Biomagnification'</u> can harm organisms at the highest levels.
This evidence suggest that all three living creatures that are mentioned have a common ancestor, even though they have been split into different types of groups of living organism millions of years ago.
Science suggests that all of the living organisms on the planet have a common ancestor. Since we are talking about a common ancestor that lived few hundred million years ago, the living organisms split into different groups, and they do not resemble each other nowadays. The fruit fly is an insect, and the humans and mice are mammals, so they are into totally different groups, and it is easy to see by the genetic evidence that they are very distantly related, but the humans and mice are much more closely related because they belong to the same super family, and their connection is much more recent.
Answer:
Internal and external regulators are two types of proteins that regulate the cell cycle. Internal regulators allow the cell cycle to proceed only after certain events occur. External regulators speed up or slow down the cell cycle.
Explanation:
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In artificial selection, nature provided the variation, and human selected those variations that they found useful