Chromatin condenses into chromosomes, and spindles begin to form.

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?

In the diagram below, the northern hemisphere would be in what season at position a a.fall b. winter c.summer d.spring

Are the layers of rock above and below the coal older or younger?