<u>levels of organization </u>
from the smallest units of life to the largest units of the environment :
organelles >>> cells >>> tissues >>> organs >>> organ systems >>> organisms >>> populations >>> communities >>> ecosystems >>> biosphere
<span>Central vacuole, cell wall, and chloroplast are found in plant cells. </span>
<span>In order for individuals best suited for growth and reproduction in a particular environment to contribute disproportionately to the next generation natural selection must take place. Natural selection is one of the basic mechanism of evolution. This mechanism leads</span> to adaptations and adaptations contribute to survival and reproduction.