Which of the following behaviors allows a bird to maintain a constant body temperature in extremely hot weather

Why is the statement not a hypothesis? sunflowers require soil and plenty of sunlight and water to grow and thrive.

All eukaryotic cells contain small bodies called

Cancer cells spread to other parts of the body by entering the bloodstream. which of the following organs could prevent a cancer cell in the bloodstream from spreading, and why? a. the spleen, because it releases lymphocytes into the blood b. the peyer's patches, because they release lymphocytes into the blood c. the lymph nodes, because they release lymph into the blood d. the thymus, because it releases lymph into the blood