On his visit to the Galapagos Islands, Charles Darwin discovered several species of finches that varied from island to island, which helped him to develop his theory of natural selection.
You have to first make some observations and then ask a question. Then you make a hypothesis (or guess) what the answer is - do the experiment to see if you're right!
Answer:
Engine is very much similar to the muscular system in a car.
Explanation:
The system is made up of the tissues which work with skeltal system to control the movement of the body is called Muscular System. In a car the engine is very much similar to the muscular system. They both help their systems to move. Without them the car or body would not going to operate.Like the human body car parts are also specialised & perform specific tasks, but they all depend on each other.Many would compare the engine of the car with heart of human body.The heart is the engine of the body just like the car. Our brain is very much similar to the the car's computer system or CPU.Every car is powered by an engine and most cars use an internal combustion engine which runs on gasoline.A car's overall power is a function of the size of engine as well as the factors such as timing of combustion and the type of transmission used.
C) the lungs.
The air moves down the trachea and into the lungs where it is picked up by the blood
Just think about cancer.. it's uncontrolled cell growth, so mutations in genes can cause cancer by accelerating cell division. As the cells contribute to grow they then develop as a tumor.
