Plant Structure and Growth

Question 1

planting seeds, cultivating soil, and harvesting crops

Answer 1

Agriculture

Question 2

growth and reproduction under human control

Answer 2

Domesticated

Question 3

what are the two effects of domestication?

Answer 3

Crops cannot survive without human intervention and humans cannot survive without crop plants

Question 4

flowering plants

Answer 4

angiosperms

Question 5

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

Answer 5

Annual plants

Question 6

what are the two classes of annual plants?

Answer 6

Monocots and dicots

Question 7

what are cotyledons?

Answer 7

embryonic leaves in seeds

Question 8

what is the difference between monocots and dicots?

Answer 8

monocots have one cotyledon while dicots have two cotyledons

Question 9

major sources of calories

Answer 9

staple crops

Question 10

what are the two organ systems In the angiosperm structure?

Answer 10

the vegetative organ system and the reproductive organ system

Question 11

what 3 organs are in the vegetative organ system?

Answer 11

the roots, stems, and leaves

Question 12

what 2 organs are in the reproductive organ system?

Answer 12

the flowers and the fruit

Question 13

absorbs water and minerals from soil through root hairs, primary storage organ

Answer 13

roots

Question 14

live for many years

Answer 14

perennials

Question 15

serve as support structures for other organs

Answer 15

stems

Question 16

primary site of photosynthesis, the food factory of a plant

Answer 16

leaves

Question 17

underground storage structures with short stems and fleshly, carbohydrate-filled leaves

Answer 17

Bulbs

Question 18

the sexual organs of angiosperms

Answer 18

flowers

Question 19

mature flower ovaries containing seeds

Answer 19

fruits

Question 20

______is the process by which male plant sex cells(pollen) fertilize female plant sex cells(egg cells)

Answer 20

pollination

Question 21

adding water to soil

Answer 21

irrigation

Question 22

material composed of living and nonliving c components

Answer 22

soil

Question 23

what are the three layers of soil?

Answer 23

the base, top and middle layer

Question 24

what makes up the base layer?

Answer 24

recently eroded rock

Question 25

what makes up the top layer?

Answer 25

dead and decaying remains and organisms that eat such organic matter

Question 26

what makes up the middle layer?

Answer 26

a mix of other layers

Question 27

process that varies crops planted over time to add soil nutrients

Answer 27

crop rotation

Question 28

what is the percentage of crops that are lost to pests each year?

Answer 28

40%

Question 29

chemicals to all or reduce growth of insects, fungal, and bacterial pests

Answer 29

pesticides

Question 30

what are crop rotations important?

Answer 30

they force the pests to have to move in order to find the required crop

Question 31

many different crops over a farm’s acreage

Answer 31

polyculture