Stuff i keep getting wrong in pp Flashcards
(9 cards)
what gets attatched to stigma
pollen grains
style function
supports stigma
ovary contains what
female gametes
MALES have a stamen, what does it consist of
anther and filament
what does the male anther contain
they contain pollen grains, they produce male gametes
give me four adjectives on insect pollinated flower
-Bright colored petals
- Scented flowers and nectaries
-big sticky pollen grains
-sticky stigma
give me four adjectives on wind pollinated flowers
-small dull petals
-no nectaries, no strong scent
- lots of pollen grains, small and light
-long filaments , and large feathery stigma
fertilisation 4 steps
1) pollen grain lands on stigma
2) pollen grain goes through the style and the ovary into the ovule
3) nucleas from male gamete moves down the tube to fuse with female gamete
4) female gamete forms seed, ovary develops into a fruit
3 factors for germination
germination needs
- water to activate enzymes
- oxygen for respiration
-suitable temp