Josiah says this is a phylogenetic tree of the dinosaurs. maleek says it is a cladogram of the dinosaurs. who is correct?

What must be true for natural selection to heppen

Describe the response the kidneys have to dehydration and excessive water intake. what happens to the concentration of urine in each case ?

Despite the differences in mature plant cells, all of them are derived from meristem cells. the three major types of tissue systems develop from the meristem. meristems develop cells in all but which tissue?