Excretion<span> is the process of elimination of waste materials from the body. </span>Excretion<span>in </span>plants<span> is much simpler than that of animals and as such it </span>does not pose<span> any serious </span>problem in plants<span>. ... </span>Plants<span> use much of the waste products of catabolism in their anabolic process.</span>
<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>
16) B. chains of rods
18) C. water
15) C. facilitated diffusion
5) C. mitochondria contain their own ribosomes
<span>DNA:
1. Found in nucleus
2. Sugar is deoxyribose
3. Bases are A,T,C,G</span>
