Which organism is most closely related to the fish?
A lamprey
B mouse
C frog
D shark

What does it mean for a cell membrane to be selectively permable

The intervention of extraterrestrials has been used to explain the bermuda triangle, a region of the atlantic ocean where ships and planes are frequently lost, leaving no evidence behind. how would this explanation best be characterized?

Which of th following best describes how genes produce traits in an organism?