Chapters 1& 2

Question 1

fracking

Answer 1

oil and gas extraction usin high pressure fluids

Question 2

ecosystem

Answer 2

a location on earth with interacting components

Question 3

enviornmentalism

Answer 3

social movement seeking to protect through lobbying and edu

Question 4

ecosystem serivices

Answer 4

processes by which life supporting resources are produced

Question 5

enviornmental indicators

Answer 5

describe current state of an ecosystem

Question 6

biodiversity

Answer 6

diversity of life forms in an enviornment (genetic, species, ecosystem)

Question 7

background extinction rate

Answer 7

avg rate at which species become extinct over time

Question 8

ecosystem diversity

Answer 8

measure of diversity of habitats in a region

Question 9

green house gases

Answer 9

gases that trap heat on earths surface

Question 10

anthropagenic

Answer 10

derived from human activites

Question 11

sustainable development

Answer 11

development that balances current human well being and economic advancement with resource management

Question 12

biophilia

Answer 12

love of life

Question 13

ecological footprint

Answer 13

measure of how much a person consumes expressed in an area of land

Question 14

null hypothesis

Answer 14

a prediction that there is no difference between groups

Question 15

accuracy

Answer 15

how close a measured value is to the true value

Question 16

precision

Answer 16

how close to another the repeated values are

Question 17

natural experiment

Answer 17

when a natural events allows for an experiment in an evosystem on a large scale

Question 18

atomic number

Answer 18

number of protons

Question 19

mass number

Answer 19

total of protons and electrons

Question 20

surface tension

Answer 20

skin on water

Question 21

acid

Answer 21

contributes hydrogen ions

Question 22

base

Answer 22

contributes hydroxide ions

Question 23

photons

Answer 23

packet of energy that carries electromagnetic radiation at speed of light

Question 24

1st law of thermodynamics

Answer 24

energy cant be created or destroyed

Question 25

2nd law of thermodynamics

Answer 25

quantity of energy remains the same but ability to do work is diminished

Question 26

entropy

Answer 26

randomness in a system

Question 27

open system

Answer 27

exchanges of energy across sustem boundaries

Question 28

closed system

Answer 28

exchanges of energy do not occur across boundaries

Question 29

negative loops

Answer 29

system responds to change by decreasing the rate at which the change is occuring

Question 30

positive loops

Answer 30

change in system is amplified