reproduction in plants Flashcards
adaptations made by plants:
petals, pollen grains, nectar, anthers and stigma
how has the petal and nectar adapted for an insect pollinated plant?
the petal grows large and brightly coloured to attract the insects
the nectar gives off a scent
how has the petal and nectar adapted for a wind pollinated plant?
small and dull petals, no scent or nectar
how have pollen grains adapted for an insect pollinated plant?
they are sticky and put in moderate amounts
how have pollen grains adapted for a wind pollinated plant?
smooth and light so it can easily be carried by the wind in large amounts to be able to reach other flowers
how have anthers adapted for an insect pollinated plant?
they are inside flower, stiff and attached so insects can brush past
how have anthers adapted for a wind pollinated plant?
they are outside flower on loose long filaments so pollen can be released easily
how have stigmas adapted for an insect pollinated plant?
inside flower and stick so pollen grains can stick to it when the insect brushes past
how have stigmas adapted for a wind pollinated plant?
outside of flower, feathers form on the end to collect/catch pollen grains carried by wind
What are the male parts of a flower?
Stamen - the male organ of the flower
Anther - part of the stamen that produced pollen
Filament - stalk that holds up the anther
What are the female parts of the flower?
Carpel - the female organ of the flower
Stigma - the sticky top pollen attaches to
Style - the stalk holding up the stigma and where the pollen tube grows down
Ovary - the structure that contains the ovules
Ovules - the female gametes
Where is pollen made?
The anther
