Answer:
You didn't give options to choose from so I'll just wing it.
Over-predation will most likely be the cause of the extinction of the butterflies
Explanation:
Since the birds are preying on them, their population will most likely go extinct because of the birds.
Increased exposure to X-rays
Answer:
Comparing DNA
Explanation:
Darwin could compare only the anatomy and embryos of living things. Today, scientists can compare their DNA. Similar DNA sequences are the strongest evidence for evolution from a common ancestor.
Answer:
Cytokinesis takes place in both meiosis and mitosis and performs the separation of he cell in half and form one nucleus into each daughter cell.
If cytokinesis did not happen, it will from multinucleated cells which means that their will be multiple nuclei in single cell and cell will not get separate in half, and no new daughter cells will form.