Question

Observations of organisms include

descriptions of why the organism has certain traits.
descriptions of the number, size, and arrangement of parts of the organism.
conclusions made about the characteristics of an organism.
conclusions made based on an organism’s DNA.

Answer 1

Descriptions of the number, size, and arrangement of parts of the organism.

Step-by-step 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.

Answer 2

descriptions of the number, size, and arrangement of parts of the organism.