Answer:
D
Explanation:
A group or member of a species would overtime become differentiated from the original species that originate from if they occupy a different niche that has a different and unique environmental conditions. In an attempt to adopt to the condition of the new environment, they would develop specific features. For example, the honeycreepers having a bill that are well adapted to eat certain foods.
Therefore, the most likely conclusion the scientist would make is D.
It can become an ion because it can lose or gain an electron. It can become a part of molecule because it can form covalent bond with other atoms to gain a full valence shell.
Answer: 1: allergic disorders
2. Immunodeficiency disorders
3. Autoimmune disorders
4. Cancers
