Question

ticks, mites, and harvestmen. they are found in a wide range of habitats worldwide, including terrestrial, freshwater, and some marine environments. arachnids play important ecological roles as predators and scavengers, contributing to the balance of the ecosystems they inhabit. what are arachnids commonly known as? spider ants lobster

Explanation:

Arachnids include spiders, ticks, mites, etc. Ants are insects (not arachnids), and lobsters are crustaceans (not arachnids). So arachnids are commonly known as spiders (among other arachnids, but spider is a well - known arachnid).

Answer:

A. spider