Answer:
Igfjfjfifjfjfififjfjfjfjfjfifjfjfjffjjfjfjfjfkfkfkffkfkfkkf
The theory of evolution proposed that a series of catastrophes or mass extinctions followed by repopulation could explain why species change over time
Nucleus can be defined as a large organelle found in the Eukaryotic cells and it is also know as the cell's command center,thus it controls the activity of the cells
Explanation:
- The answer to the above question is (c )nucleus. During the cell cycle the nucleus of the cell mediates the replication of the of the DNA and controls the gene expression.
- The nucleus contains a structure which is known as nucleolus and which is made up of protein and ribonucleic acid(RNA)
Answer:
if sex cells were identical, there won't be genetics variations and we will just all be identical to our parents. genetic variation allows us to better adapt and survive
3% of the Earth's water is freshwater.<span />
