What do you call a group or organisms that are the same species

Which statement names a physical property of wood? wood does not rustwood can burnwood can rotwood is softer than coal

How do all types of diffusion/passive transport actually ‘work’ without using even the smallest amount of cellular energy?

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.