The main differences are that eukaryotes have membrane-bound organelles and the nucleus, which enables them to create much more complex multi-cellular organisms, which is impossible for the prokaryotes.
<u>Answer:</u>
Ecosystem is the level of organization which includes a community, population, and an individual.
<u>Explanation:</u>
- An ecosystem is the dynamic system of biotic and abiotic components that helps to maintain the circle of life.
- In an ecosystem there are different species and population of those species that exist together within a physical environment that is composed up of soil, water, minerals as well as weather conditions and climates.
- In ecosystem, there is the food chain as well as food web. The change in any component of the biotic or abiotic component would bring about change in every other component. Each component is interrelated with one another in an ecosystem.
Variable would be the most logical
It is a perfect example of a natural selection.
(I'm not sure if this is the exact answer that you are looking for.)
