9.4: Reproduction in Plants

What is the vegetative stage of a plant?

When does the vegetative stage end?

Why are flowers useful?

What factor(s) play a role in transforming leave producing shoot to a flower producing shoot?

What are short day plants?

What are long day plants?

How can growers force flowering?

How to force flowering for long day plants during the winter/autumn?

How to induce flowering for short day plants during summer/spring?

What are the 2 kinds of pigments found in leaves that is used to measure the length of dark periods?

What happens to phytochrome red in normal sunlight?

What happens to phytochrome far red in darkness?

Which of the 2 phytochromes are more stable?

Which of the 2 phytochromes is the more 'active' one?

In long day plants, which of the 2 phytochromes cause gene expression?

In short day plants, which of the 2 phytochrome causes gene expression?

What does successful reproduction of plants depend on?

What are the three most common animal pollinators?

Describe the mutualism between pollinators and flowers.

Why should we strive to protect entire ecosystems rather than individual species?

What is pollination?

Define fertilisation.

leWhat happens after pollen is transferred to a stigma?

What is seed dispersal?

Why are seeds dispersed?

What does the fertilised ovule and ovary turn into?

What is a seed?

What does the embryo plant consist of?

What are the three factors needed for successful germination?

What are the functions of anthers?

What is the function of the nectary?

What are the functions of the petals?

What is the function of the sepal?

What is the function of the filament?

What is the function of stigma?

What is the job of the style?

What is the function of the ovary?

What is the function of the ovules?