Answer: 1.A food web is multiple food chains and an energy pyramid shows how energy moves through trophic levels.
Explanation:
The most common tree in that continent is one that's named "floss silk". It's classified as a tropical tree so we could say that most of South America is covered in tropical trees.
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Fresh water is any body of water with a low salt concentration. Organisms in fresh water various challenges which includes; Osmotic concentration such that fresh water is permanently dilute and most cells cannot function at this concentration of ions. Varying temperatures, variation in oxygen levels and reproduction and life cycle due to permanence of habitat and physiological difficulty of regulating osmotic concentration in larvae and juveniles.
DNA. Deoxyribonucleic acid (DNA<span>) is a nucleic acid that contains the genetic instructions for the development and function of </span>living things<span>. All known cellular life and some viruses contain </span>DNA<span>. The main role of </span>DNA<span> in the cell is the long-term storage of information.</span>
Water would move from outside to the inside of the cell through the semi permeable cell membrane and cause the cell to swell.