Week 4 and 5 Asexual and Sexual Reproduction
Task 1 iMove Asexual and Sexual Reproduction (Mrs Morritt's iMovie)
Set up a note page with the heading REPRODUCTION. Write a definition.
List the following terminology and write a definition mitosis, meiosis, gamete, sperm, ovum
Set up two columns with headings SEXUAL REPRODUCTION and ASEXUAL REPRODUCTION
List the following terminology and write a definition mitosis, meiosis, gamete, sperm, ovum
Set up two columns with headings SEXUAL REPRODUCTION and ASEXUAL REPRODUCTION
Task 2 Flower Dissection
- Label the male and female parts of a “typical flower”. This is the pattern for most flowers.
- For each example complete the following;
- Write the name of the flower, eg Callistemon (Bottlebrush), Melaleuca (TeaTree), Grevillea, (Spider Plant), Hibiscus, Hibbertia (snake bush)
- Do a biological drawing in pencil of one flower. Show a scale bar
- Label the following parts; petals, sepals, stigma, style, ovary, anther, filament, pollen
- Dissect the flower by cutting a longitudinal section to reveal inside of the style and ovary. Observe beneath the dissecting microscope
- Label the stigma, style, ovary and ovules. Inside each ovule is the ovum.
- Dissect the anther to reveal the pollen grains. Observe beneath the dissecting microscope. Inside the pollen is the sperm.
Task 3 - After fertilisation comes development of the fruit, seed and embryo
- Examine and draw the female and male parts of a variety of flowers.
- Label the stigma, style, ovary, ovule and note where to find the ovum.
- Label the anther, pollen and the filament, and where to find the sperm cells.
- On a fertilised flower draw and label the fruit, seed and where to find the embryo.
- Label the withered stamens and petals.
The image below shows the development of a Grevillea flower after fertilisation, from the flower, the development of the fruit, seed and embryo.