Question

question 8
the success of arthropods is attributed to which of the following structures?
a jointed appendages
b jointed appendages and a segmented body
c jointed appendages, a segmented body, and a gastrovascular cavity
d jointed appendages, a segmented body, and an exoskeleton

Explanation:

Arthropods have several key features. Jointed appendages allow for a wide range of movements. A segmented body provides flexibility and specialization of body parts. An exoskeleton offers protection and support. A gastrovascular cavity is not a characteristic of arthropods (it is more common in simpler organisms like cnidarians).

Answer:

D. jointed appendages, a segmented body, and an exoskeleton