Newton's First Law states that an object will remain at rest or in uniform motion in a straight line unless acted upon by an external force. It may be seen as a statement about inertia, that objects will remain in their state of motion unless a force acts to change the motion.
Blood. It holds oxygen and carries it to every cell in the body.
Deductive reasoning is the step in biological methods,in which already well known scholars and scientists check the validity of proposed theory,they ensure that 100% accuracy is taken into account,for better result of new discoveries.
H2o, NADP, light energy, and ADP
Keystone species ; this is a species whose presence is critical to the composition and integrity of the community