What sea creature sleeps with one eye open?

If vegetable oil is made out of veggies, then what is baby oil made out of?

If jane has the blood type ab and marries john who has type o blood what are the possible phenotypes of their first kid?

Which of the following is a reason why early living organisms on earth could not have survived on the surface? 1. the lack of an ozone layer 2. the lack of oxygen in the atmosphere 3. the fact that these organisms were single-celled