Answer:
D. Two strands of DNA linked together
Explanation:
nucleotide join together to form a DNA molecule
Answer:
Option B, in the middle of the current gyres
Explanation:
The zones of upwelling have high productivity as they have adequate climate and weather condition along with availability of nutrients. The same is applicable for Equator and coastal regions. The productivity of Antarctica is low but not less than that of current gyres as in the middle of the current gyres there are high current streams that reduces the biological productivity.
Hence, option B is correct
Since multicellular means having more than one cell, dinosaurs were multicellular.
<span>The only traits that can be acted upon by natural selection are those that are controlled by ___________________</span>