Final answer:
The statement that some insects are regional heterotherms is true as they can regulate the temperature of certain body parts differently. Warm-blooded vertebrates provide an environment for ectoparasites like ticks and fleas, and social behavior in insects indicates an evolutionary advantage.
Step-by-step explanation:
The statement about some species of insects being classified as regional heterotherms is true. In the context of insects, regional heterothermy refers to the phenomenon where different parts of an insect's body can maintain different temperatures. Certain insect species, particularly those that are large, flying types such as moths or bees, can have thoracic muscles that are considerably warmer during flight than the other parts of their body. These insects are able to elevate the temperature of their flight muscles through muscle activity, which is beneficial for flight efficiency as muscle enzymes function optimally at higher temperatures.
Warm-blooded vertebrates provide the necessary environment and resources for various terrestrial ectoparasites including ticks, fleas, lice, and louse flies. These ectoparasites rely on their host for survival during certain stages of their life cycle where they consume resources derived from the host like blood and skin cells. The dynamics of their host species significantly influence ectoparasite populations and their spread.
When considering the evolutionary aspect, social behavior among different animals, including a range of insects, signifies that this trait is likely to offer an evolutionary advantage. Numerous insects such as ants, bees, and termites demonstrate complex social structures with distinct roles within the colony.