Chapter 29

Front 1

agriculture

Back 1

growing plants and raising animals for human use

Front 2

botany

Back 2

the study of plants

Front 3

cultivar

Back 3

contraction of the wors cultivated and variety and they are selected by people and they have at leas tone charatcerisitc that sets them apart from other members of theri species

Front 4

cereals

Back 4

grasses that contain grains

Front 5

root crops

Back 5

are roots or undeground stems that are rich in carbohydrates

Front 6

legumes

Back 6

are members of th pea family and bear protien rich seeds in pods

Front 7

fruit

Back 7

the part of a flowering plant that usually contains seeds

Front 8

vegetables

Back 8

are foods dervied from the leaves stems seeds and roots of sof plants

Front 9

nuts

Back 9

have a hard outer layer and contain a dry one seeded fruit

Front 10

spices

Back 10

come from plant parts other then the leaf and are tropical

Front 11

herbs

Back 11

usually come from the leaf and can be grown in a home garden

Front 12

quinine

Back 12

coems from the bark of the cinchona tree and is used to treat malaria

Front 13

fertilizers

Back 13

supply plants with essential nutrients such as nitrogen and phosphorous

Front 14

pesticides

Back 14

chemicals that kill undesireabkle organisms that eat crops

Front 15

asprin

Back 15

words most widely used pain reliever (acetylasalicylic acid)

Front 16

gasohol

Back 16

grains fermented into alcohola and mixed with gasoline

Front 17

plant ecology

Back 17

the study of interactions between plants and their enviornement

Front 18

weeds

Back 18

undesireable plants that often crowd out crop plants or native plant species

Front 19

hay fever

Back 19

an allergic reaction that results in sneezing a runny nosee and watery eyes a pollen alergy