<span>Aristotle would have trouble classifying euglena since Aristotle's classification system was only for plants and animals. Euglena exhibited characteristics of photosynthesis which is present in plants and movement which is only present in animals. </span>
Answer: By storing carbon above and below the ground, the trees and plants in forests contribute to the production of oxygen as a byproduct of photosynthesis. ... Photosynthesis provides most of the oxygen that humans and animals breathe.
The answer is A. The <span>eggs do not have a shell to prevent water loss.
Toad's eggs do not have a shell, like reptile eggs or bird eggs. Shell is important because it protects eggs from drying out if they are laid in the land. </span><span>Toads lay eggs in a jelly-like glycoprotein. </span><span>Thanks to glycoprotein around toad's eggs, contact with water is maintained all the time so that eggs don't die. </span>
