Respuesta :
descriptions of the number, size, and arrangement of parts of the organism.
Answer:
Descriptions of the number, size, and arrangement of parts of the organism.
Explanation:
Observation refers to the analysis of the external appearance of an object. In biology, observation of organisms refers to the analysis of their external morphology. It includes explanation about their external body parts, size of the body as well as number of each externally visible body part. It does not include any conclusions based on histology, anatomy or DNA analysis.