Is a permanent alteration in the DNA sequence that makes up a gene.
They converted carbon dioxide to oxygen. The increased oxygen levels allowed for cellular respiration to occur instead of only glycolysis. The atmosphere became thinner, decreasing temperatures of the planet as well.
Answer:
A.
Explanation:
Lysosomes make protein from food. Ribosomes assemble the proteins.
Correct Answer is A. They were able to increase their productivity due to the popularity of tractors.