Final answer:
Physiologists specializing in organismal ecology study the adaptations that enable organisms to survive in specific habitats. They examine physiological, morphological, and behavioral aspects and may work from the organ to the molecular level, including analyzing species interactions in population and community ecology.
Step-by-step explanation:
Physiologists who study the interaction between an organism's unique physiology and its species or population are known as specialists in organismal ecology. This branch of biological science focuses on the physiological, morphological, and behavioral adaptations that enable individuals to survive within their specific habitats. Studying organismal ecology might involve examining how species like the Karner blue butterfly are adapted to lay eggs exclusively on wild lupine, or how certain birds, crabs, and grasses interact in a marsh ecosystem.
Physiologists in this field may work on various levels, from investigating large organ systems to diving into the molecular details, such as how electrochemical signals travel along nerves. Similarly, population ecology looks at dynamics within and among species in a given area, while community ecology studies the number of individuals in an area and the changes over time.