I think the correct answer is the first option. The key features of chordates would be notochord, dorsal tubular nerve cord, pharyngeal pouches, and a tail. These features appears in some period of their lives. They are deutorostomes where the anus would be formed first before the mouth.
Separation of sister chromatids (D)
Answer:
Mercury is the answer.
Mercury is the smallest terrestrial planet in the solar system
The lifetime risk of developing cancer is a chance a person has over his or her lifetime and can be diagnose of having a cancer. In the scenario about the cancer risks, the answer would be c. the more you drink, the lower your risk is. The more alcohol one's drink does not mean it will lower one's risk of developing cancer.
Well, it seems like a multiple choice question and you didn't provide answers so I took the liberty of looking it up for you. The answer is "Large Evergreen leaves". Hope this helps