A terrestrial animal species is discovered with the following larval characteristics: exoskeleton, system of tubes for gas exchange, and modified segmentation. What other characteristic is most likely present in this organism?
A) eight legs
B) two pairs of antennae
C) a sessile lifestyle
D) an open circulatory system

Question

Quizplus · Accepted Answer

The characteristics described (exoskeleton, system of tubes for gas exchange, and modified segmentation) are typical of arthropods. Among arthropods, an open circulatory system is a common feature, where blood is not entirely contained within blood vessels but flows freely through cavities in the body, facilitating nutrient and gas exchange.

A Terrestrial Animal Species Is Discovered with the Following Larval