More people would be born without an appendix if: a. the appendix of healthy people was x-rayed. b. a person who was born without an appendix reproduces more than people who have an appendix. c. the appendix was removed after a person reproduced. d. the appendix was removed before a person reproduced.

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

x would be the most and the least would be y because there are more fruit   and seeds than flock z has insects

the cells uses some of the atoms of the glucose molecules to atp molecules. the atoms of the glucose molecules will then be converted into energy which will be eventually stored in atp. the energy produced which are stored in atp are coming from the glucose’s chemical bonds.

characteristics of hydrocarbons