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Question 2
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REPRODUCTION IN MAMMALS

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Question 2

The table below shows the composition of human milk compared to cow's milk:

 

  

Protein (%)

Fat (%)

Sugar (%)

Water (%)

Human

1

4

7

88

Cow

4

4

5

87

 

1. What are the differences between these two milks?

2. A human mother could feed her baby on cow's milk instead of her own milk. What must she do to the cow's milk to make it suitable for her baby?

The graph shows the growth of a baby shrew during its first 60 days. The baby is weaned by its mother when it is 18 days old.
(The point of weaning is marked as a letter W on the graph.)

 

Graph

 

3. What does the word "weaning" mean?

4. Describe what happens to the baby shrew's growth before and after weaning.

5. What will the baby shrew feed upon after it has been weaned?

 

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