The earth is closest to the sun in early January.
Explanation:
The main function of the cell nucleus is to control gene expression and mediate the replication of DNA during the cell cycle. The nucleus is an organelle found in eukaryotic cells. ... This material is organized as DNA molecules, along with a variety of proteins, to form chromosomes.
Answer:
The answer is a) allopatric speciation.
Explanation:
Allopatric speciation happens when a geographical or physical barrier is introduced in a population. After this, the reproductive isolation, genetic recombination and also random mutations can promote the speciation process, where at the end, there will be two separate species.
