Which blood type could be given as a transfusion for patient with ab blood when the rh factor is unknown

What can be found in every skeletal muscle? a. nerves, bones, cartilage, and connective tissue b. tendons, cartilage, nerves, and blood vessels c. muscle fibers, nerves, connective tissue, and blood vessels d. tendons, nerves, blood vessels, and bones

An animal cell (left) and a plant cell (right) are shown.which organelle, labeled x in the diagram, is found in both plant and animal cells?

In general, characteristics that an organism survive and reproduce become more common in a population over time. what mechanism of evolution cause this change?