Answer:
I. Nucleic acids always consist of a five-carbon sugar, a nitrogenous base, and one or more phosphate groups.
II. Both DNA, which stores genetic information and encodes protein sequences, and RNA, which is involved in the direct production of proteins, are nucleic acids.
Explanation:
Out of the following given choices;
A. major changes in the structure of Earth's layers
B. major changes that occur in the solar system
C. major changes that are recorded in the fossil record
D. major changes in the
<span> arr</span>angement
of the continents
The answer is C.
Changes in the environment in prehistoric times can be best exhibited by the evolutionary
changes of living organisms. This is best shown
by fossil records. Changes in geological times are characterized by a high rate of varying individuals of a species
and with high extinction rates.
The correct answer would be A.secondary succession. I hope this helps.
Answer:
9
Explanation:
minus 1 point because its only the face.
