What is meant by fertilisation?
Name the part of the flower in each case
1 - Leaving Cert Biology - Question c - 2010
Question c
What is meant by fertilisation?
Name the part of the flower in each case
1. Where fertilisation occurs
2. That becomes the fruit.
Each seed is made up of an embryo... show full transcript
Worked Solution & Example Answer:What is meant by fertilisation?
Name the part of the flower in each case
1 - Leaving Cert Biology - Question c - 2010
Step 1
What is meant by fertilisation?
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Answer
Fertilisation refers to the fusion of gametes or the formation of a zygote. It is a crucial process in sexual reproduction, leading to the development of a new organism.
Step 2
Name the part of the flower in each case
1. Where fertilisation occurs
2. That becomes the fruit.
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Answer
The part of the flower where fertilisation occurs is the ovule or ovary, also known as the carpel.
The part that becomes the fruit is the ovary or receptacle.
Step 3
Explain each of the underlined terms.
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Answer
Embryo: The embryo is the part of the seed that will develop into the new plant after germination.
Dispersal: Dispersal refers to the spreading of seeds away from the parent plant, which helps in the distribution of the species.
Step 4
By which method is each of the fruits shown above dispersed?
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Answer
Blackberries are primarily dispersed by animals, as they eat the fruit and later excrete the seeds. Sycamore fruit is dispersed primarily by wind.
Step 5
What term is given to the growth of an embryo into a plant?
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Answer
The term given to the growth of an embryo into a plant is 'germination'.
Step 6
In order for this growth to be successful, certain environmental conditions must be present. Name any two of these conditions.
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Answer
Two essential conditions for successful germination include:
Suitable temperature or moisture levels.
Adequate light conditions (if applicable).
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