Which characteristic is common in old rivers? a. lack of tributariesb. location near headwaters c. lack of meandersd. a low stream gradient

Which best describes meiosis? a. it produces cells that are identical to the original cell b. it is responsible for the replacement of damaged skin cells c. it is responsible for growth of the organism d. it produces male and female sex cells

Why are common names a problem for scientist?

Consider the venn diagram of plant reproduction. where in this image, areas a - d, would you insert the picture of the orange lily?