Which of the following is not true of viruses? a. they usually infect specific types of cells. b. they're nonliving particles. c. they reproduce on their own without hosts. d. they're able to crystallize.

1. variations in a population of moths allow for some of its members to be able to adapt to environmental changes. the better adapted of the moths will be able to survive the change and thus prevail as the “fittest” of the species. (a) describe three mechanisms in which variation can occur within a species population. (b) explain which mechanism or mechanisms would be responsible for the survival of a population of peppered moths better than white moths in an environment affected by industrial soot. justify your answer.

Compare and contrast cladistics and phylogeny. what are their advantages and disadvantages? which is the most useful in understanding how an organism developed into its current form? which concept most strongly supports your opinion about the origin of any given organism?

Awolf pack hunts,kills, and feeds on a moose. in this interactions, the moose is a?