Explain why a patient who got a heart transplant needs to get medication to weaken his/her immune system Helppp 9th grade bio please have 15 more min

Dna is the genetic material that makes up living things, and folic acid plays an important role in the information of dna. jon wants to study the effect of folic acid on dna formation in microbes. which statement accurately describes the variables in this study

Name one similarity and one difference between the morphology of a brachiopod and a bivalve

Legumes, a type of plant, require rhizobia, a type of soil bacteria, to survive since these organisms fix nitrogen during photosynthesis. rhizobia use the legumes for food. what would most likely happen to the legume population if rhizobia suddenly became extinct?