Many trees shed their leaves during the autumn months when conditions are not suitable for photosynthesis. which characteristic of living things is best represented when a tree sheds it leaves during the autumn? a) metabolism b) reproduction c) use of a genetic code d) response to external stimuli

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