Cuticles antennae auditory ossicles are parts of arthropods bodies that allow them to breathe air
I believe the answer you are looking for is they are all body systems found in the human body, or organ systems.
Answer:
c) Having a small population size
Explanation:
Endangered species are generally those whose population is declining or in a very limited range. Some of other characteristics of endangered species may also be habitat loss, indiscriminate hunting by man or predators, and disease.