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Question Set: Structure and Function
NGSS Science and Engineering Practices
NGSS Crosscutting Concepts
NGSS Disciplinary Core Ideas
  1. 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?
  2. All mammals have hair, but some species have more than others. Many cetaceans, such as the bottlenose dolphin, appear to be hairless.
    1. What is the significance of hair in mammals?
    2. What are some advantages and disadvatages of hair for marine mammals?
  3. Complete the missing fields in Table 6.1.
  4. Placental mammals
    1. What is a placenta?
    2. Which mammals have placentas and which do not? Give several examples of each group.
    3. What role does the placenta play in the growth and development of most mammal species?
Exploring Our Fluid Earth, a product of the Curriculum Research & Development Group (CRDG), College of Education. University of Hawaii, 2011. This document may be freely reproduced and distributed for non-profit educational purposes.