<span>When classifying organisms, scientists consider several factors, such as: Type of cell - identifying whether the organism is prokaryotic or eukaryotic Structure of the cell - examining both the existence and makeup of the cell wall Type of body - determining if the organism is multicellular or unicellular Nutrition - understanding how the organism meets its nutritional needs, either by consuming others (heterotrophic) or by producing its own food (autotrophic)</span>
The Earth is at the center Explanation: Aristotle first postulated that the Earth was round but maintained that all celestial bodies revolved around it.
