Grizzly bears, snakes, and worms are most likely to be members of the same community population species trophic level

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?

I’m stuck on this question cuz i’m stupid sksksksk

What makes a dominant allele different from a recessive allele