Seed Plants-Angiosperms Flashcards
What are angiosperms?
Seed plants with reproductive structures called flowers and fruits
What are the two main groups?
Monocots (one cotyledon)
Dicot (two cotyledons)
Are angiosperms the most diverse and widespread of the plants?
Yes
Sepals
Enclose the flower
-Green and leaf-like
Petals
Brightly coloured to attract pollinators
Stamens
What do they do and what do they consist of?
Produce pollen
Consists of stalk with an anther (where pollen is produced)
Carpels
What do they do and what do they consist of?
Produce ovules
Ovary
-where fertilization occurs
Style
-makes stigma accessible to pollinators
Stigma
-pollen is received
What makes a flower incomplete vs complete?
Complete:
-has all four organs (sepals, petals, stamens, carpels)
Incomplete:
-lacking one or more organs
How is a fruit formed?
When the ovary wall thickens