Angiosperms
Give three example of angiosperms.
Answers vary - roses, sunflowers, oak trees, corn, and apple trees
Give three examples of gymnosperms.
Answers vary - Pine, spruce, fir, cedar, yew, gingko biloba, cypress, cycads, welwitschia
The primary reproductive structures in gymnosperms are ___________.
Cones
A seed only forms once the ovule has been _____.
fertilized
The key characteristics that identify an angiosperm are the _________ and _________ .
Flower and fruit
What part of the male flower structure produces the pollen?
Anther
What do male cones produce?
Pollen
What plant structures in angiosperms help attract pollinators with bright colors and sweet smells?
Petals
What triggers a seed to leave dormancy and begin germination?
Animals that assist with pollination are called _____.
Pollinators
Together the style, stigma, and ovary are called the ____.
Pistil
What is present on female cones to help ensure fertilization of the ovule?
There is a sticky substance on the scales to catch pollen.
What is the purpose of the filament?
It holds up the anther.
What is the name of the process in which pollen from the male flower parts is delivered to the female reproductive structures of another plant?
Pollination
A plant structure in seed plants that produces the female gametophyte - an egg cell
ovule
The filament and the anther make up the ____.
Stamen
Why were gymnosperms named after greek words for "naked seed"?
The seeds are not protected by a fruit.
What is the stigma's job?
It is covered in a sticky substance to catch pollen.
What term is used to describe the process in which seeds begin to grow after a period of dormancy?
Germination
fruit
What is the purpose of the sepals?
They protect the flower as it is developing until it is ready to bloom.
How is pollen dispersed in gymnosperms? How are seeds dispersed?
Gymnosperm pollen and seeds are dispersed mostly by wind.
What is the main role of the style?
It contains a tube that pollen travels down to the ovary.
Since successful germination and growth is more likely where there are more resources, this process is important for successful reproduction
Seed dispersal
A fertilized egg, produced by the joining of male and female gametes
zygote