Which of the following changes occurs in an ecosystem when its biodiversity increases? a. relience decreases b. species richness decreases c. artificial selection increases d. stability increases

Chicken pox and hepatitis are bacterial diseases. true or false?

What molecule contains an organisms genetic material, passed down from parents to their offspring

In trying to determine whether dna or protein is the genetic material, hershey and chase made use of which of the following facts? a) dna contains sulfur, whereas protein does not. b) dna contains phosphorus, whereas protein does not. c) dna contains nitrogen, whereas protein does not. d) dna contains purines, whereas protein includes pyrimidines.