Plants get their energy from the sun using Photosynthesis and animals get it from eating food.
A variation is a reference to the differences or deviations, such as the structure and form, as for crossing over is the exchange of genetic material between the non-sister chromatids of the homologous chromosomes during meiosis.
Fuel is use to produce a force to accelerate in a new direction.In the void of space the object will continue its velocity until somthing acts upon it.(newtons first law of motion)
D from the sea to the land
Embryologically, the space for the development of right lobe is made earlier by the closure of <span>pleuroperitoneal and pleuropericardial membranes, thereby creating more space for the development of right lobe. Molecular stimulation factors are also involved in the process. </span>