According to modern evolutionary theory, genes responsible for new traits that help a species survive in a particular environment will usually
A) Decrease rapidly in frequency
B) Not change in frequency
C) Increase in frequency
D) Decrease gradually in frequency

i think its control and coordinate because im pretty sure thats what tissue does and the joints are what control movement and then your skeletal/ bones provides portection. hope that .

i dont know it at allnow im just getting points at this pint

photosynthesis makes the glucose that is used in cellular respiration to make atp. the glucose is then turned back into carbon dioxide, which is used in photosynthesis. while water is broken down to form oxygen during photosynthesis, in cellular respiration oxygen is combined with hydrogen to form water.