Another name for unicellular organisms that dominated Earth up to the Precambrian time is prokaryotes. The correct answer is D.
A possible Hypothesis probably .
Answer:
up to 13 pounds.
Explanation:
Their fine meat quality and egg-laying ability has made them the first choice of American duck growers. They are the easiest domestic ducks to process and prepare for meat production. Male Pekins carry a Fall weight of up to 13 pounds, and the females weigh about 7 pounds.
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.