13. (a) Give a role for each of the following parts of a flower: sepals, anther, stigma. - Leaving Cert Biology - Question 13 - 2010
Question 13
13. (a) Give a role for each of the following parts of a flower: sepals, anther, stigma.
Worked Solution & Example Answer:13. (a) Give a role for each of the following parts of a flower: sepals, anther, stigma. - Leaving Cert Biology - Question 13 - 2010
Step 1
Sepals:
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Answer
Sepals serve multiple functions in a flower. They protect the flower bud before it blooms, ensuring the delicate petals are safeguarded from environmental damage. Additionally, sepals can engage in photosynthesis, contributing to the plant's energy needs. They may also attract insects, aiding in pollination.
Step 2
Anthers:
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Answer
The anthers are the crucial pollen-producing structures of a flower. They release pollen grains, which are essential for fertilization since they contain the male gametes needed for reproduction.
Step 3
Stigma:
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Answer
The stigma plays a vital role in the reproductive process of a flower; it is designed to trap or catch pollen grains when they land on its surface. This ensures that fertilization can occur, as the pollen must germinate on the stigma to reach the ovules.
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