1. What is a Eukaryote?2. What are metazoans?3. List and DEFINE the characteristics of Animals: a.

Eukaryotes are organisms whose cells have a well defined nucleus. The nucleus is tightly packed together within membranes. Eukaryotes are usually complex organisms with a high level of specialization. Examples include humans and animals.

2. Metazoans- They are also known as multicellular animals. They are Eukaryotes with a high degree of specialization and body functions. They lack chlorophyll and feed on other organisms for food and as a source of energy.

3. Movement- Animals don’t have a fixed spot. They have legs or other specialized structures for movement in search of food or to avoid predators.

Respiration- Animals respire through special structures which takes in Oxygen and releases Carbon dioxide back into the atmosphere.

answer; the correct answer is desert plants;

answer: substrate concentration. enzymes work best when there is a high enough substrate concentration for the reaction they catalyse.