Angiosperms Flashcards
Where does fruit develop from
The ovaries
What does angiosperm translate to
Enclosed seed
What did flowers evolve from
Flowers and fruit are thought to be modified leaves
Which phases is the most dominant in angiosperms (diploid or haploid)
Mostly diploid
What is the purpose of the endosperm
It is a food source for the seeds
How do angiosperms grow outwards
They can increase their diameter by producing secondary xylem and phloem
What are angiosperm synapomorphies
Flowers
Fruit
Enclosed seeds within a carpal
Reduced gametophyte.
Germination of pollen on a stigma
Double fertilisation
What is inflorescence
When flowers group together to form a large structure
What are the different familiar groups of monocot angiosperms
Grassed
Petaloids
What are the major groups within eudicots
Asterids
Rosids
What are some examples of monocots
Orchids
Grasses
Why do flowers have long styles and filaments
Natural selection favoured length because if made them more accessible to pollinators
What are different mechanisms of pollination
By wind
By insects
By birds
By bats