physiological adaptation:
an internal body process to regulate and maintain homeostasis for an organism to survive in the environment in which it exists
Alage:
a simple, non-flowering, and typically aquatic plant of a large group that includes the seaweeds and many single-celled forms. Algae contain chlorophyll but lack true stems, roots, leaves, and vascular tissue.
Crop milk:
a secretion resembling milk that is produced in the crop of certain pigeons and doves and used to feed the young
Environment:
the surroundings or conditions in which a person, animal, or plant lives or operates.
Omnivore:
an animal or person that eats a variety of food of both plant and animal origin.