Sexual repdoduction Flashcards
(17 cards)
What is the female part of the flower
Carpel
The carpel includes the stigma what is the stigmas function
Pollen grain lands here
The carpel includes the style what is the style’s function
Pollen tube runs through it
The carpel includes the ovary what is the ovaries function
Contains one or more ovules
What is the male part of the flower
Stamen
The stamen includes the anther what is the anthers function
Produces pollen grain
The stamen includes the filament what is the filaments function
Supports the anther and xylem and phloem run through it
What does the stalk do
Supports flower
What does the receptacle do
Gives rise to floral parts
What is the sepals function
Protects flower when it’s a bud
What is the function of the tapetum
Supplies food
What does the tube nucleus do
Gives rise to pollen tube
What does the generative nucleus do
Gives rise to male gametes
Define dormancy
Resting period whereby seeds undergo no growth
What is germination
Regrowth of the embryo after a period of dormancy if environmental conditions are suitable
What factors are important for germination
Water, suitable temperature, oxygen
What do the petals do
Attract pollinators