Why is the open ocean considered to be a "biological desert"? A. No mammals can survive there
B. Only animals that can survive large changes in temperature can live there
C. There is a lack of nutrients

How do you transfer mrna into codons ? i'm so confused : (

20. in humans, freckles are dominant to no freckles. trey has no freckles and his wife anna grace has freckles, but her dad doesn't. they want to know what percentage of their kids would look like trey. show a punnett square to support your answer.

Number and variety of living organisms includes genetic, species, and ecological types