Do you need help on all the questions? Because I can help you go through the answers if you want.
answered: Guest
phylogenetic tree is the tree of life or evolution tree. it shows the different branches of evolution. the sequence goes like tissues - coelom - backbone - endoskeleton - segmentation
answered: Guest
If you remove all the lions from the savanna it will lead to a increase of gazelle and a increase of cheetahs becasue of no competition