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Glossary of Biology 106 Test 2 2

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__ percent of plants supply 95% of the world's food supply.
.00314%
What are the 11 plants that produce 95% of the world's food supply?
wheat, rice, corn, Irish potatoes, sweet potatoes, sugar cane, cassava, beans, coconuts, bananas, sorghum
How many of the 11 plants are grasses? Name them.
Five: wheat, rice, sugar cane, sorghum, corn
Five grasses produce __% of the world's food supply.
75%
Lateblight
Caused a fungus that destroyed Ireland's potato crops
Irish Potato Famine: How many died? How many died of disease/starvation? How many emigrated?
250,000; 2 million; 4 million
Androecium
All of the stamens of a plant
Stamen
the male reproductive structure of a plant
Whorl
Circular arrangement of parts: There are four whorls: calyx, corolla, stamen, gymnoecium
Calyx
Outer whorl; made of sepals
Corolla
Made of petals; one of the whorls
Stamens make up the ___.
Androecium
Stigma
enlarged part of petal
Pistil: (three things)
style, (supports stigma), ovary, stigma
Imperfect flower
A flower that lacks either male or female parts; it has a whorl missing. It can have either stamens or pistils.

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