Environmental Science Chapter 14 Study guide

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1

Malnutrition

Lack of a specific nutrient

2

Macronutrients

Carbohydrates, proteins, fats, energy measured in kilocalories

3

Monoculture

one type of crop, results in reduced soil fertility

4

omnivores

eat plants and animals

5

Micronutrients

Needed for biochemical reactions

6

Grains

greatest number of servings needed

7

Energy

Needed for life processes

8

Plants

Lack some essential amino acids, quicker energy than animal products

9

essential amino acids

8 must come from food

10

Aquaculture

Raising fish

11

Starches

Complex Carbohydrates

12

Vegetarian diet

Combination of grains and legumes

13

Green Revolution

Didn't help poor farmers because
- couldn't afford machinery,
- less money for crops

14

Fallow land

restores soil fertality

15

Sustainable agriculture

crop rotation, few soil additives, pest management

16

Integrated pest management

uses natural insect predators

17

Endangered fish species

result of over harvesting

18

Pesticide resistance

caused by overuse of pesticides

19

Family Farms

lost because of high cost of machinery

20

Modern Farms

need fewer workers

21

Chinese Famine

Caused by rigid rules and Schedules