25 pointss sam’s mother has type o blood. her father is type b blood, with the genotype bo. what are the possible blood types that sam could have? (use scratch paper to make a punnett square)

The vaccine in a flu shot contains weakened flu viruses. how does a flu shot work with the immune system? a. it destroys lymphocytes. b. it destroys macrophages. c. it activates macrophages. d. it activates lymphocytes.

How do living things obtain phosphorus

Which of the following is a good definition for the word adaptation? question 1 options: a trait that an organism survive and reproduce in its environment. a change in an organism's environment. the way in which animals obtain food. a temperature change that can cause the extinction of plants and animals.