Term
| What is the function of the seed coat? |
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Definition
| To protect the seed from damage and infection. |
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Term
| What is the function of the food store? |
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Definition
| To provide the energy for growth/germination |
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Term
| What two parts of a seed make up the embryo? |
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Definition
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Term
| What is the function of the embryo? |
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Definition
| To grow into the young plant |
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Term
| What 3 conditions are required in order for a seed to grow? |
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Definition
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Term
| What word describes a seed growing into a young plant? |
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Definition
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Term
| What is the function of the petals in a flower? |
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Definition
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Term
| Where are the female sex cells produced in a flower? |
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Definition
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Term
| What name is given to the female sex cells in a flowering plant? |
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Definition
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Term
| Where are the male sex cells produced in a flower? |
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Definition
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Term
| What name is given to the male sex cells in a flowering plant? |
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Definition
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Term
| What is the function of the nectaries in a flower? |
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Definition
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Term
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Definition
| The transfer of pollen from the anther to the stigma. |
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Term
| What are two types of pollination? |
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Definition
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Term
| What happens after pollen lands on the stigma? |
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Definition
| It grows a pollen tube down to the ovary. |
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Term
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Definition
| The nucleus of the pollen joins with the nucleus of the ovule. |
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Term
| Where does fertilisation occur in a flower? |
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Definition
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Term
| What happens to the ovule after fertilisation? |
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Definition
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Term
| What happens to the ovary after fertilisation? |
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Definition
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Term
| Describe the structures seeds that are scattered by the wind possess? |
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Definition
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Term
| Describe the structures seeds that are scattered by animals internally possess? Why are they like this? |
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Definition
Soft, Juicy, Colourful – to attract animals to eat them. |
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Term
| Describe the structures seeds that are scattered by animals externally possess? Why are they like this? |
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Definition
Hooks, Spikes – to attach to animals |
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Term
| What is special about the stigma of a wind pollinated plant? |
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Definition
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Term
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Definition
To create a large surface area for catching pollen. |
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Term
| Where are the anthers in a wind pollinated plant? Why? |
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Definition
Hanging outside the flower – so that the pollen is caught by the wind. |
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Term
| What are the differences between the pollen of an insect pollinated plant and the pollen of a wind pollinated plant? |
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Definition
| Insect – sticky / large Wind – light, smooth, smaller |
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Term
| What is asexual reproduction? |
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Definition
| Reproduction that does not involves sex cells. |
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Term
Give two examples of plants that carry out natural asexual reproduction? |
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Definition
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Term
| Give two examples of artificial asexual reproduction? |
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Definition
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Term
| State an advantage of asexual reproduction. |
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Definition
| Young plant receives food from parent, young plant produced in area which suited growth of parent, not dependent on pollination. |
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Term
| State a disadvantage of asexual reproduction. |
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Definition
| No variation – all plants could be wiped out by disease, competition for light, space etc.... |
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Term
| State an advantage of sexual reproduction in plants. |
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Definition
| Variation, plants well distributed. |
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Term
| State a disadvantage of sexual reproduction in plants. |
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Definition
| Dependent on pollination, environment may not be suitable. |
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