The variation may already exist within the population, but often the variation comes from a mutation, or a random change in an organism's genes.
When the continents separated, organisms were forced to be placed in different locations with different environmental conditions. In order to survive in their new environment, over time, various flora and fauna developed various body mechanisms to cope up. This brought up the speciation of flora and fauna.
Answer: D
Explanation: just did it on edg
Answer : Low;High
You use high power for a more detailed view on what you are looking at and you use the low power for a general view.
Levels<span> of </span>organization<span> in ecology include the population, community, ecosystem, and biosphere. An ecosystem is all the living things in an area interacting with all of the antibiotic parts of the </span>environment<span>.</span>
