Explanation : An organism that regulates its body temperature using external heat sources is an example of an Ectotherm.
Any cold-blooded animal can be called as an Ectotherm; They are any animal which requires regulation of body temperature according to their environnment and depend on external sources, such as sunlight or a heated rock surface.
These ectotherm includes the category of fishes, amphibians, reptiles, and invertebrates in their class.
In its fibre form, polypropylene uses are not limited to not only useful for tote bags but also encompass a much wider range of other products, including ropes, twine, tape, carpets, upholstery, clothing and camping equipment.