Term
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Definition
| The transfer of pollen grains from the anther to the stigma of a flower. |
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Term
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Definition
| The union of egg and sperm in the ovule of a flower. It produces a zygote. |
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Term
| Can pollination occur without fertilization? |
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Definition
| Yes, pollen can be transferred but nothing may happen. |
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Term
| Can fertilization occur without pollination? |
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Definition
| No, the pollen must first be transferred to the stigma before fertilization can occur. |
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Term
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Definition
| The method or organism used to transfer pollen |
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Term
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Definition
| Pollination using a living vector such as a bird, animal or insect |
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Term
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Definition
| Pollination using an insect as the vector |
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Term
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Definition
| Pollination where the vector is an animal - not an insect |
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Term
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Definition
| The pollinating vector is not alive |
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Term
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Definition
| The pollinating vector is wind. |
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Term
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Definition
| The pollinating vector is water. |
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Term
| Describe features of a flower pollinated by birds. |
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Definition
| It is probably red in color, tube shaped, no smell (birds can't smell) and tube shaped. |
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Term
| Describe features of a flower pollinated by wind. |
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Definition
| Small flower, probably without petals, white, green or brown in color. Makes LOTS of pollen. |
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Term
| Describe features of a flower pollinated by bees. |
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Definition
| Yellow or white in color, with hidden nectar, and sticky pollen. |
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Term
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Definition
| Sugar solution make by flowers as a reward given to pollinating animals or insects. |
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Term
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Definition
| Marks on a flower that act as arrows, pointing a pollinator toward the hidden nectar. |
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Term
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Definition
| Tube made by the germinating pollen grain that serves as a pathway for the sperm in the pollen grain. |
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Term
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Definition
| Feature unique to angiosperms: using TWO sperm to fertilize the flower. One sperm fertilizes the egg; the other sperm fuses with the polar nuclei making the endosperm. |
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Term
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Definition
| Food for the embryo in the seed. Made from one sperm and two polar nuclei. This tissue is triploid - it has three sets of chromosomes. |
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Term
| Why is pollination important to humans? |
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Definition
| It produces most of our food. We eat fruits and seeds OR animals that eat fruits and seeds. |
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Term
| What is the most important pollinator in terms of food production? |
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Definition
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Term
| Why should we be concerned about bees? |
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Definition
| Bees have been disappearing. The problem is called colony collapse disorder. |
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