The kidneys do most of the work in the endocrine.
Because his principles of geology explained how Earth was shaped by the same processes, earthquakes, volcanoes, etc, as they are today. Darwin used this principle to hypothesize his theory of evolution that species must have also changed over time by the same processes like fitness.
Answer:
for photosynthesis, the reactant is Carbon dioxide + water + sun's energy and the product is glucose (sugar) and oxygen
for cellular respiration, the reactant is oxygen glucose and the product is energy/ ATP + co2 + h2o
Explanation:
It is mitosis hope this helps you !!