<span>Many bacteria and archaea are able to transfer genes among themselves outside of typical reproduction. This blurs the line between species as they are defined in the Linnaean system.</span>
Animals take oxygen from the air and exhale carbon dioxide. Plants use this carbon dioxide and release oxygen into the air. ... Photosynthesis is important to living organisms because it is plants that ultimately serve as a foundation for the food web by providing a major source of food for other living organisms.
Very high level atmosphere
Answer:
The reason why animals <u>cannot synthesize oxaloacetate</u> is because the fatty acids which they produce, are not able to create glucose (oxaloacetate).
Explanation:
The fatty acids in animals need to be converted to acetyl-CoA first, but this acetyl won't convert into oxaloacetate, in comparison to plants, that use the glyoxylate cycle, that allows them to produce the mentioned glucose.
