Answer:
Cyanobacteria were photosynthetic and slowly changed the earth's atmosphere from CO2 rich to O2 rich. Photosynthetic cyanobacteria evolved by 3.5 billion years ago and greatly modified earth's atmosphere.
I’m guessing it will be thunderstorm Bc cumulonimbus clouds are very heavy
Answer:
c. Giraffes that stretch their necks more than other giraffes will have babies with longer necks.
Explanation:
Giraffes that stretch their necks will not have babies with longer necks. A trait only shows in next generation if it is genetically inherited i.e. the gametes carry the trait to the next generation.
When giraffes stretch their necks, they are modifying their actions in their life time which will have no effect on the gametes. Hence, this trait wont be passed to the next generation and babies will not have longer necks.
It is Nucleic Acids, they consist of long chains of units like the proteins, but still both are different.
Answer:
B. The brain and the spinal cord make up the CNS
Explanation:
I majored in Biology
