In this worksheet, students answer questions regarding the function of an egg.

In this reptiles worksheet, students review reptile adaptations, amniotic egg, and the characteristics of the different reptile groups. This worksheet has 8 fill in the blank and 19 matching questions.

In this reptiles worksheet, students use an idea map to compare amphibian and reptile adaptations. Students complete 2 short answer questions based on the idea map.

In this reptiles worksheet, students will compare the characteristics of reptiles with the characteristics of amphibians to complete 2 short answer questions.

Compare and contrast reptiles and amphibians using a reading guide handout. Although it is designed to accompany a particular textbook, most reading or video selections covering these types of animals will go over the same facts. If you...

In this reptiles activity, learners identify and label the different parts of reptiles. They complete 10 short answer questions after reading the information provided in the activity.

For this reptiles worksheet, students read about reptiles and then answer 10 questions about what they just learned. The answers are on the last page.

In this bird worksheet, learners complete a set of 16 activities about birds, listing characteristics, matching organs with steps in the digestive process, labeling a drawing of a feather and completing 4 short answer questions.

In this birds worksheet, students review the characteristics of birds including their adaptations for flight. Students review the diversity of bird adaptations. This worksheet has 4 short answer, 7 true or false, 6 matching, and 3 fill...

Details of fertilization, cleavage, the placenta and fetal development are presented, along with important diagrams and illustrations. By using these slides, you and your students will generate discussion points, along with details...

In this development worksheet, students review the process of fertilization in placental organisms. Students determine what trimester certain events take place in a fetus' development. This worksheet has 10 fill in the blank and 7...

April Tucker peels back each layer of the amniotic egg, revealing how truly extraordinary this evolutionary marvel is. [4:30]

Labeled diagram of an amniotic egg.

[Free Registration/Login may be required to access all resource tools.] Describes reptile reproduction and the amniotic egg.

This brief article defines "placental mammals," lists examples of these animals, and describes the characteristics which render their classification.