If a person with type B blood needs a transfusion, which blood types can the person safely receive? Explain your answer.

What can you learn from a set of embryo drawing of vertebrates of different phyla

What are rod-shaped and spore-forming bacteria known as?

What is respiration

What is the purpose of the part of the male reproductive system that is highlighted below? O A. Manufactures sperm cells D C

Imagine that individuals with a certain allele (B) have much greater reproductive success than those without the allele. However, individuals with the B allele also have shorter life spans than those without the allele.

How does gravity cause plates to move? Explain

Which water-soluble vitamin plays an important role in the formation of collagen? A. vitamin C B. thiamin C. folate D. biotin

What is the theory on how cells came to have mitochondria.

Which of the following lists fits the order of these three descriptions: Age of Mammals, Age of Dinosaurs, and longest geologic time period. Choose one: A. Mesozoic, Cenozoic, Paleozoic B. Cenozoic, Mesozoic, Precambrian C.

The hypothalamus gland is important in many feedback loops. Which of the following systems does the hypothalamus work in? Check all that apply. A. endocrine B. nervous C. integumentary D. circulatory