Lecture 1 Flashcards
1
Q
Photosynthesis
A
Uses light energy and make organic compounds from inorganic materials.
2
Q
How are cell walls made more sturdy?
A
Cellulose
3
Q
Plants are sedentary because?
A
They can obtain the materials they need and ways to reproduce and distribute their genes while anchored in one place.
4
Q
Plants are the base of the?
A
Food chain
5
Q
plants supply ____ to the Earth’s atmosphere.
A
Oxygen.
6
Q
How many modern medicines were first made from plants?
A
25%
7
Q
How much plants have been used for food?
A
7,000
8
Q
How much crops provide 95% of our needs?
A
30 crops.
9
Q
What makes up 75% of the worlds grain production and supply 50% of our calories?
A
Wheat, corn, and rice.
10
Q
Where did potatoes originate from?
A
South America
11
Q
Another word for potato blight
A
Phytophthora infestans
