Photosynthesis is the PROCESS of a plant making chemical energy from energy from the Sun. Energy is the input and output.
Methanogens, halophiles, thermophiles
A population of deer is defined by the geographical area it inhabits. This would be the most likely answer.
When we're talking about different species we're often talking about them in terms of their geographical origins and where these deer can be found.
<span>Random fertilization adds to the genetic variation thanks to B)Fusion of sperm and ovum, each having a unique combination of chromosomes, introduces further variation. Fertilization is a process of fusion of sperm and ovum. In a random fertilization, it is expected that sperm and ovum each have a unique combination of chromosomes. Thus, the created zygote will have a unique combination of chromosomes which introduces variation.</span>