The answer is 2- circulatory and excretory
Answer:
A new mutation
Explanation:
A mutation refers to the random changes in the DNA of organisms. A mutation changes the allele and genotype frequencies by the introduction of a new allele in the gene pool.
However, mutations are not the major factor responsible for changes in the gene pool of a population as mutations are rare. The rate of mutations is very slow and does not allow it to serve as a major factor to change the allele and genotype frequencies.
31. Carbon and hydrogen
32. Glycerol, fatty acid
33. Neighboring carbons, saturated
34. Carbon atoms, unsaturated
Didn't get 35
Answer:
in the center linking the 2
Explanation:
Your answer is B, cell wall.