Assignment:  Angiosperm Questions   (20 marks)

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1.  You have studied the life cycles of two of the major groups of plants, the mosses and the flowering plants. 

• a) What similarities did you notice between these two life cycles?

• b) What are the major differences between these two life cycles?

2.  Describe two ways that "nature" aids with pollination in the flowering plants.  Which of these methods is likely to be more efficient?  Explain why.

3.  Explain the advantage that plants with large brightly coloured flowers have over plants with flowers that are less obvious.

4.  Once fertilization takes place the structures surrounding the seed develops into a fruit.  Describe three ways that a fruit aids in the dispersal of the seeds that it contains.

5. There are a number of groupings within the angiosperms based on certain characteristics. 

• a) Describe the difference between 'woody' and 'herbaceous' angiosperms and list two examples of each type that are native to Saskatchewan.

• b)   The herbaceous plants are often classified as 'perennials' or 'annuals'.  Describe the characteristics of each of these groups and provide two examples of each type that are commonly found in Saskatchewan.

6.  The flowering plants are divided into two main classes, the monocotyledons and the dicotyledons.  Explain what a cotyledon is describe the difference between the seed of a monocot and a dicot.

7. The seed or the seed leaf is not the only characteristics that distinguishes a monocot from a dicot. 

• a)Describe four other distinguishing characteristics.

• b)  Name two specific examples of both monocots and dicots that are native to Saskatchewan.

8.  Describe 'vegetative reproduction'.  Provide an example.