Earth's history. In the worst one, 250 million years ago, 96 percent of marine species and 70 percent of land species died off. It took millions of years to recover.
15
Each one of those letters represents a nucleotide. So to find out how many nucleotides are in the gene, just count them
However, keep in mind that this only represents 1/2 strands that make up DNA. If you are supposed to include the other strand, simply double 15, and there would be 30 nucleotides total. However, only 1 strand is actually required in order for protein synthesis to work, so I think it's just 15.
Answer:
herbivores (plant-eaters)
Explanation:
They eat primary foods like plants
I think <span>climate change</span>
