Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
13 Cards in this Set
- Front
- Back
|
Identifiy and draw the sepals, petals, stamens, anthers, carpels, ovaries and stigmas of a locally available plant
|
a
|
|
|
Describe the anthers and stigmas of one locally available wind pollinated plant. (extended)
|
Stigmas are sticky or feathery to catch some of the pollen.
Anthers stick out and have long filaments so wind can blow them easily |
|
|
What is the function of the sepal
|
Protects the petals and the flower when it is in bud.
|
|
|
What is the function of the petals
|
To attract pollinators
|
|
|
What is the function of the anthers
|
They produce pollen
|
|
|
What is the function of the stigma
|
Catches and traps pollen and this is where germination takes place
|
|
|
What is the function of the ovaries
|
holds the ovule
|
|
|
Define pollination
|
the transfer of pollen grains from the male part of the plant (anther of stamen) to the female part of the plant (stigma).
|
|
|
Name the agents of pollination
|
Anthers - pollinator - stigma - ovaries - ovule
|
|
|
Compare the differences between insect pollinated and wind pollinated flowers
(extended) |
The main difference is in the petals. Wind pollinated flowers have none or not very attractive ones while insect pollinated flowers have very bright and colourful petals. The stigma and filament are longer
|
|
|
what physical conditions affect the germination of seeds
|
requirement for water and oxygen, suitable temperature
|
|
|
How do plants "colonize other areas"
|
seed and fruit dispersal
|
|
|
Describe, using named examples, seed and fruit dispersal by wind and by animals.
|
Any animal with fur that brushes against a plant that is adapted to this form of dispersal.
|
