Chapter 25

Question 1

Planting seeds, cultivating soil, and harvesting crops

Answer 1

Agriculture

Question 2

Began 11,000 years ago

Answer 2

Agriculture

Question 3

Agriculture is practiced by independent human groups around the world.

Answer 3

True

Question 4

Humans realized nutritious, highly productive wild grasses and peas colonized “waste areas”
1.
2.

Answer 4

1. Cleared additional land

2. Scattered Seeds

Question 5

______ ______ became domesticated: growth and reproduction under human control

Answer 5

Wild weeds

Question 6

Effect of Domestication:

Crop plants cannot survive without ______ _________.

Answer 6

Human Intervention

Question 7

Humans cannot survive without ______ plants.

Answer 7

Crop

Question 8

flowering plants

Answer 8

Angiosperms

Question 9

Most agricultural plants

Answer 9

Angiosperms

Question 10

Produce energy-storing seeds within fruit.

Answer 10

Angiosperms

Question 11

Most suitable angiosperms cultivated at start of agricultural period.

Answer 11

True

Question 12

Angiosperms become more common due to
1.
2.

Answer 12

Natural climate change and increased human activity

Question 13

angiosperms completing life cycle in a single season; seed to adult plant

Answer 13

Annual plants

Question 14

annual plants are suitable for agricultural food sources because
1.
2.
3.

Answer 14

1. Rapidly produced
2. abundant
3. easily transported

Question 15

Annual plants are major ___ ____.

Answer 15

food crops

Question 16

annual plants evolved from ______ species.

Answer 16

Weedy

Question 17

Well-suited to growth on open, cleared land

Answer 17

Annual plants

Question 18

Annual plants surrounded _____ ______.

Answer 18

Human Settlements

Question 19

Hardiest weeds from two plant families.

Answer 19

Poaceae

Fabaceae

Question 20

poaceae

Class:

Answer 20

Grasses

Monocots

Question 21

Fabaceae

Class:

Answer 21

Peas and beans

Dicots

Question 22

Central grains and forage grasses are a very important food source.

Answer 22

True

Question 23

70% of land is devoted to _____ production.

Answer 23

Grain

Question 24

8500 species grown in diverse habitats 
1.
2.
3.
4.
5.
6.

Answer 24

Barley
Corn 
Oats, Millet, Rye
Rice 
Sorghum 
Wheat

Question 25

Fabaceae or Legume Family is second only to grasses in importance.

Answer 25

True

Question 26

Peas, beans, soybeans, peanuts,alfalfa, crown vetch & clover

Answer 26

Fabaceae or Legume Family

Question 27

Source of high quality protein

Answer 27

Fabaceae or Legume Family

Question 28

Amino acids with nitrogen

Answer 28

Fabaceae or Legume Family

Question 29

Legumes are _____ ______>

Answer 29

nitrogen fixers

Question 30

Proteins are made up of ____ _____.

Answer 30

Amino acids

Question 31

How many amino acids

Answer 31

20

Question 32

20 amino acids:
9 can be produced by the ______. (_______)
11 we have to ____________. (essential)

Answer 32

body
(nonessential)
eat food that contain them
(essential)

Question 33

_________ proteins contain all the amino acids needed to build human proteins (meat)

Answer 33

Complete

Question 34

_________ proteins are missing at least one amino acid needed for humans (plant protein)

Answer 34

Incomplete

Question 35

Classes of annual plants (not quite)

Answer 35

Monocots and Diocots