Which of the following is a physical change that might occur because of a decrease in temperature? a. solid butter melts into a liquid. b. eggs are cooked and become solid. c. water vapor condenses into liquid water. d. fallen leaves decay faster.

Restriction enzymes are used in making recombinant dna. describe the role restriction enzymes perform when constructing recombinant dna.

Give examples of selective advantage of organism’s body part/organ

Once an egg cell is fertilized by sperm, the cell then, as the embryo develops, it receives nourishment and eliminates wastes by transferring substances from its blood to its mother's blood. a. becomes a fetus immediately and exits the womb b. begins to divide and implants itself in the wall of the uterus c. remains in the uterus without dividing for several months d. travels back to the ovaries until the fetus is developed