Arthropoda Reading Questions

https://www.ck12.org/na/Ani-Phylum-Arthropoda-1/lesson/Phylum-Arthropoda-xi-biology Links to an external site.

Read the article above and answer the following questions:

1. What percentage of the animal kingdom are arthropods? 

2. List the segments of the arthropod body

3. What is the cephalothorax?

4. List the functions of the exoskeleton

5. Contrast book lungs and tracheae. How are they different?

6. What is a trilobite? 

https://www.ck12.org/book/ck-12-biology-advanced-concepts/section/15.30 Links to an external site. 

Read the article above and answer the questions below:

1. List the three tagmata of arthropods.
2. What evolutionary advantages did arthropods gain from jointed appendages?
3. What is one limitation of a hard exoskeleton? How have arthropods dealt with this problem?
4. How is the coelom of an arthropod different from the coelom of a mollusk?
5. What kind of a circulatory system do arthropods have?
6. What are the hair-like bristles found on some arthropods used for?

Also complete the Practice Quiz on the second article (top of article, in the box to the right of the title)