During an experient, a scientist crosses a pea plant that has purple flowers with a pea plant that has white flowers. The plants that result from this cross in the Fı generation have both purple and white flowers. What can the scientist conclude?
O White flowers are dominant over purple flowers.

Which sentence best expresses the differing opinions of these two book reviews?

An ecologist studied the same species of deer during the summer and the winter. she noticed that during the summer, when there was plenty of food, the deer were energetic and playful. however, during winter when food was scarce, the deer moved more slowly and did not run unless they needed to escape a predator. which scientific fact is best supported by her observations?

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