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Ch 30 Plant Diversity III
The evolution of seed plants
13
Biology
Undergraduate 1
03/04/2015

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Cards

Term
What are angiosperms considered?
Definition
The fleshy material that contain the seed (flowers and fruits)
Term
What are reproductive adaptations of angiosperms?(two things)
Definition
Flowers and fruits
Term
Why do angiosperms use flowers?
Definition
for sexual reproduction ( pollination)
Term
Why do angiosperms have fruits?
Definition
To protect and aid in dispersal
Term
Ovary walls thicken into _____
Definition
Pericarp
Term
What kind of ovaries do fruits typically consist of?
Definition
mature ovaries
Term
How do seeds enhance dispersal?
Definition
By using the wind, being eaten, and traveling on animals
Term
iClicker question:What is one thing Gymnosperms and Angiosperms dont have in common?
Definition
Ovaries
Term
Describe the Angiosperm Life Cycle
Definition
The zygote develops into sporophyte embryo iwth rudimentary meristems (SAM and RAM) and cotyledons
Term
The number or floral parts have been ______
Definition
reduced
Term
What are three general trends iin floral evolution?
Definition

Floral parts has been: reduced

fused

and symetry has changed from radial to bilateral

Term
Monocots versus Eudicots (5 differences)
Definition

one cotyledon vs two cotyledons

parallel veination vs netlike veination

scattered vascular tissue vs ringlike structure

Fiberous roots vs Taprood

 Floral organs come in multiples of three vs four or five

 

Term
What depends greatly on seed plants?
Definition
Human welfare
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