Flowers Flashcards
Lifecycle lengths
Germination–> growth–> flowering–> seed formation–> seed dispersal
An annual plant grows from seed to _________ in _________ growing season.
flower
1
A long-lived oak tree has a __________ type lifecycle.
perennial
When does a biennial plant flower?
In their 2nd year
The rapid onset of flowering in biennials is called _________.
Bolting
Flowers formed as modifications to _____________ over evolutionary time.
Strobilus and ovaries (from cones)
Place the parts in proper order form outside in for a flower:
ovule, sepal, stamen, pistil, petal
sepals–> petal–> stamen–> pistil–> ovule
Female parts:
The pistil is made up of a ________, ________, and ________.
style
stigma
ovary
Female parts:
The eggs form a part of the _____________.
ovule
Female parts:
Meiosis takes place in the __________.
ovule
Female parts:
A fertilized and ripened __________ becomes a seed.
ovule
Female parts:
The pollen lands on the _________.
stigma
Female parts:
For the egg to be fertilized, the pollen grows a __________ down the _________.
pollen tube
stigma
Female parts:
The fruit is a mature an ripened __________.
ovary
Female parts:
Inside the growing angiosperm seed, energy for the embryo is in the starchy ___________.
endosperm
Female parts:
The flower of a cherry, avocado, or peach (one seed) has only one __________ in the ovary.
ovule
Female parts:
While a pumpkin or watermelon has many __________ in the ovary.
ovules
Female parts:
In California, our three most common pollinators are _________, _________, and _________.
bees
humming birds
butterflies
Female parts:
Grasses and Pine trees are _________ pollinated.
wind
Male parts:
The stamen is made of an ________ and a _________.
anther
filament
Male parts:
The pollen is made in the _________.
anther
Male parts:
Meiosis takes place in the _________.
microspore
