Module 4 Fertilization to Birth

2.4.1 page 3

Try This

Now that you have read about and watched how the developmental stages of the embryo progress, try your hand at labeling the following images. It is recommended that you try labeling the following images without the use of your textbook.

 

TR 1. Fertilization

Provide labels for the structures represented by 1-12.

 

Inquiry into Biology (Whitby, ON: McGraw-Hill Ryerson, 2007), BLM15.1.1,Reproduced by permission.

 

1.		7.
2.		8.
3.		9.
4.		10.
5.		11.
6.		12.

 

 

TR 2. From Ovulation to Implantation

Label the following diagram.

 

Inquiry into Biology (Whitby, ON: McGraw-Hill Ryerson, 2007), BLM 15.1.2. Reproduced by permission.

 

 

TR 3. Extra-embryonic Membranes

Inquiry into Biology (Whitby, ON: McGraw-Hill Ryerson, 2007), BLM15.1.8a,Reproduced by permission.

 

1.		5.
2.		6.
3.		7.
4.		8.

 

Discuss

Through your discussion board, discussion one, some, or all of the following questions:

1. Do you think that there should be special schools for pregnant teens, or should all schools do more to try to accommodate the various needs of these teens?
2. Does an embryo have the use of all its senses in utero?
3. How can different mammalian species develop all of the same organ systems in different time periods? What regulates this process?
4. Can the fetus learn in utero? If so, what can be the extent of the learning?
5. To what extent can, or should we control and change the characters of an embryo?
6. How can the development of litters of 4 or more offspring happen?

 

Self Check

 

With the many changes and new terms presented in this section, see how well you have mastered the information by completing the following questions: 1 to 4, page 509; 5 to 9, page 511; 10 to 14, page 512; 15 to 19, page 515 and 20 to 23 from pages 517. Check the following link to see how well you answered the questions.