IGCSE Biology 7 Views 1 Answers
Identify in diagrams and images and draw the following parts of an insect-pollinated flower: sepals, petals, stamens, filaments, anthers, carpels, style, stigma, ovary and ovules
Identify in diagrams and images and draw the following parts of an insect-pollinated flower: sepals, petals, stamens, filaments, anthers, carpels, style, stigma, ovary and ovules
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To effectively identify and illustrate the parts of an insect-pollinated flower, the following components should be included: sepals, petals, stamens (which consist of filaments and anthers), and carpels (which include the style, stigma, ovary, and ovules). Below is a description of each part along with a suggested diagram layout.
Parts of an Insect-Pollinated Flower
- Sepals:
- Description: These are the outermost parts of the flower that protect the developing bud. They are usually green and leaf-like.
- Function: Protects the flower before it blooms.
- Petals:
- Description: Located just inside the sepals, petals are often brightly colored and attract pollinators such as insects.
- Function: Attracts pollinators with their color and scent.
- Stamens (Male Reproductive Part):
- Filament:
- Description: A slender stalk that supports the anther.
- Function: Holds the anther in a position to effectively release pollen.
- Anther:
- Description: The part of the stamen that produces pollen grains.
- Function: Releases pollen for fertilization.
- Filament:
- Carpels (Female Reproductive Part):
- Style:
- Description: A slender stalk that connects the stigma to the ovary.
- Function: Provides a pathway for pollen tubes to reach the ovules after fertilization.
- Stigma:
- Description: The sticky top part of the carpel where pollen grains land.
- Function: Captures pollen for fertilization.
- Ovary:
- Description: The swollen base of the carpel that contains ovules.
- Function: Houses and protects the ovules; develops into fruit after fertilization.
- Ovules:
- Description: Structures within the ovary that develop into seeds after fertilization.
- Function: Contains female gametes for fertilization.
- Style:
Additional Resources
For visual aids and detailed instructions on drawing these parts, you can refer to resources like:
- YouTube Video on Drawing Insect-Pollinated Flowers
- Diagrams from educational websites such as BYJU’S or LibreTexts that provide comprehensive illustrations of flower anatomy
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