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Question 1

what is yield

Answer 1

yield means the amount of useful plant per plants

Question 2

explain selective breeding

Answer 2

you would select two parents, each with a different desired trait and then breed them together (cross-pollination). plant their seeds and select the next-generation of seeds from offspring plants with the desired characteristics

Question 3

what do we mean when we say something is sustainable

Answer 3

when something can be done or used without running out

Question 4

what’s monoculture

Answer 4

the practice of growing only one type of crop in a particular area

Question 5

identify two artificial environments discussed during this season

Answer 5

greenhouse + hydroponics

Question 6

identify environmental variables that can be controlled in a greenhouse

Answer 6

temperature, irrigation

Question 7

whats a artificial environment?

Answer 7

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Question 8

whats biodiversity

Answer 8

the number of different species in an environment

Question 9

whats biological control

Answer 9

using natural predators to control pest naturally

Question 10

whats environmental management

Answer 10

the process of balancing the needs of humans with the needs of the environment

Question 11

whats a gene

Answer 11

tiny piece of material in a cell’s nucleus

Question 12

whats genetic engineering

Answer 12

process in which single genes are added to a plants genetic material

Question 13

whats GMO

Answer 13

an organism whose traits have been changed by changing its DNA

Question 14

whats a herbicide

Answer 14

a chemical that kills plants

Question 15

pesticide

Answer 15

chemicals that are poisonous to species

Question 16

species

Answer 16

living things of the same kind that are able to reproduce

Question 17

trait

Answer 17

a characteristic of an organism

Question 18

unintended consequence

Answer 18

results of an action that were not practiced or planned

Question 19

varitey

Answer 19

a group of organisms of the same species that has specific characteristics that can distinguish it from other varieties of that species

Question 20

hydroponics

Answer 20

a technology for growing plants in which the plant roots are placed in a nutrient solution instead of soil

Question 21

describe two ways to increase plant yield

Answer 21

using a plant more efficiently

Question 22

describe the difference between pesticides and herbicides

Answer 22

herbicides are chemicals that kill plants

pesticides are chemicals that kill insects

Question 23

what are the consequences of using herbicides and pesticides

Answer 23

herbicides- some weeds are the food source of other living organisms
pesticides- some insects can become resistant and then the pesticide with become less useful

Question 24

what are the benefits of using herbicides and pesticides

Answer 24

herbicides- they create beautiful lawns and flower beds

pesticides- kills those who pollinate crops

Question 25

describe natural ways to control weeds and other pests that reduce crop yield

Answer 25

biological control- copies the way the population size is controlled in natural environments