Make your own free website on

Phylogeny Chapter 32a On Line Form

When you click Submit (at the bottom of this web page) it will save your work on the server for me.

DO NOT Click submit more than once!

TAB OR USE THE MOUSE Between the fields....

Answer the questions as best you can. The boxes will expand as you type if you need more space. (Don't worry if it is a one word answer. The box size is standard.)


Class Period

1 2 3 4 5 6 7 8

Complete the questions using the chapters of your textbook Campbell’s Biology (7th Edition).

CHAPTER 32 PART 1. Directions: All answers are to be completed on your own.

Question 1: Outline the major characteristics Campbell uses to define an animal.

Question 2: List an hypothesis for the origin of animals.

Question 3: Describe the two forms of symmetry of the Eumetazoa.

Question 4: What is the significance of cephalization as an evolutionary trend?

Question 5: How do the germ layers of Radiata and the other Eumetazoa differ?

Questions 6-13 Define the term and describe its significance in classifying animals.

Question 6: Acoelomates

Question 7: Pseudocoelomates

Question 8: Coelomates

Question 9: Protostomes

Question 10: Deuterostomes

Remember, the boxes will expand as you type if you need more space.

Question 11: Spiral, determinate cleavage

Question 12: Radial, indeterminate cleavage

Question 13: Blastopore

Question 14: List a number of the major differences between the Protostomes and Deuterostomes.

Label the stages of early embryonic development of animal.





This web page is being hosted at Dr. Gottfried's  Tripod account. Technical questions should be referred to