How are the three main arthropod classes characterized according to the body division?

Define macrosporangiate and female strobilli?

What are the two body dysfunctions of an animal in the order DECaPODA?

Phylum Arthropoda: 1. Comment on the size (number of species) within this phylum. 2. General Body Plan: (circle the appropriate answer) a) Simple or complex, b) Do they have true tissues? Yes or No c) asymmetry, radial symmetry, bilateral symmetry d) Do they have organs? Yes or No e) What type of appendages? f) What type of skeleton? 3. Describe molting.

How are the excretory systems of the three main arthropod classes constituted?

Differentiate a neoophoran turbellaria from a  archoophoran turbellaria.

What are the distinguish traits of Arthropods that allow them to be extremely successful?

How are the three main arthropod classes characterized according to the number of limbs?

Considering the presence of segmentation (metameres) in their body to which other already studied phylum are arthropods proximal?

Describe four advantages of arthropod exoskeleton.