Title
Question Set: Structure and Function
NGSS Science and Engineering Practices
NGSS Crosscutting Concepts
NGSS Disciplinary Core Ideas
Table of Contents
- All mammal species are capable of lactating, or producing milk, to feed their offspring. What is the importance of lactation in the survival of mammals?
- All mammals have hair, but some species have more than others. Many cetaceans, such as the bottlenose dolphin, appear to be hairless.
- What is the significance of hair in mammals?
- What are some advantages and disadvatages of hair for marine mammals?
- Complete the missing fields in Table 6.1.
- Placental mammals
- What is a placenta?
- Which mammals have placentas and which do not? Give several examples of each group.
- What role does the placenta play in the growth and development of most mammal species?