Which of these is least likely to cause the extinction of organisms? a) hunting animals for food b) clearing land for agriculture c) migrating from one region to another d) new plant species competing with native plants

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?

What was the land like over 500 million years ago? what was under the sea?

Connection compare and contrast genetic engineering to the process of natural selection. select all statements that are true.