Answer:
The sequence of the DNA nucleotides determines the genetic code, which determines the structure and function of proteins. The proteins produced by a cell determines its structure and functions.
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Answer:
C. flower → butterfly → bird → snake
Explanation:
It is the only option possible out of all of them, which stands true when compared with the food web shown.
Answer:
Once the sun's energy reaches earth, it is intercepted first by the atmosphere. A small part of the sun's energy is directly absorbed, particularly by certain gases such as ozone and water vapor. Some of the sun's energy is reflected back to space by clouds and the earth's surface.
Explanation:
Geologists can often match up rock layers over distances.