§6.6 Flashcards
What are perfect flowers?
Flowers that contain male (stamen and female (carpel) parts
What are imperfect flowers?
Flowers with only a stamen or a carpel
What are monoecious imperfect plants?
One plant with male and female flowers
What is monoecious perfect?
Male and female cells in one flower
What are dioecious plants?
Plants that are 100% male or 100% female
What is pollination?
When pollen grains land on the stigma of a carpel
What are pollinators?
Insects, other animals, or wind that make pollination happen
What are the two types of pollination?
Self-pollination and cross-pollination
What is self-pollination?
When flowers pollinate themselves or other flowers on the same plant
What is cross-pollination?
When pollen are moved from flowers of one plant to flowers of a different plant of the same sort.
How can plants prevent self-pollination?
When the stamen ripens before the stigma, so the pollen will be gone before the stigma is ripe enough
How do flowers attract insects?
With brigthly coloured petals and smells
What is wind-pollination?
When pollen are transported by the wind
How does the plant look like?
Small and not bright flowers
Does a plant of wind-pollination contains less or a lot pollen?
It contains a looot of pollen that are small and light
