Expert: Walter Hintz - 3/20/2008

Question
Describe the life history and reproduction of the common toad.



Why are hens' eggs very satisfactory for the study of embryology?



In what bilaterally symmetrical animals is there only one ovary?



by the way these are not my homework questions.

Answer
You are the third student that I have gotten these same questions from.
 The first question needs a long answer and you can easily research this on your own

Question 2. It is easy to study fertile eggs at different stages

question 3.  I know of no such animal  Animals with a bilateral symmetry have paired ovaries