Evs Semester 1 Final Vocabulary

Front 1

abiotic factors

Back 1

non-living

Front 2

anthropocentric

Back 2

human centered; views the environment as a resource for humans

Front 3

atom

Back 3

the basic subunit of elements; protons neutrons and electrons

Front 4

bethnic

Back 4

organisms that live on the bottom of marine and freshwater ecosystems

Front 5

biocentric

Back 5

life centered; states that all living things have the right to live

Front 6

biomass

Back 6

any accumulation of organic material produced by living things

Front 7

biome

Back 7

plant and animal community that covers a large geographic area

Front 8

biotic factors

Back 8

living things

Front 9

biotic potential

Back 9

reproductive capacity

Front 10

birthrate

Back 10

number of individuals born per thousand individuals in a population per year

Front 11

black lung disease

Back 11

respiratory condition resulting from the accumulation of large amounts of fine coal particles in miners' lungs

Front 12

carcinogens

Back 12

cancer causing agents

Front 13

carnivore

Back 13

eats meat

Front 14

carrying capacity

Back 14

optimum number of individuals that can be supported in an area over an extended period of time

Front 15

catalyst

Back 15

starts a chain reaction but it doesnt change

Front 16

climax community

Back 16

last stage of succession; relatively stable long lasting interrelated community

Front 17

coevolution

Back 17

two or more species that effect the evolutionary direction of the other

Front 18

commensalisms

Back 18

one organism benefits which the other is not affected

Front 19

community

Back 19

interacting groups of different species

Front 20

competition

Back 20

when both organisms require the same resource which results in harming both

Front 21

compound

Back 21

kind of matter composed of two or more different kinds of atoms bonded together

Front 22

death phase

Back 22

phase in succession where the population is declining

Front 23

death rate

Back 23

number of deathers per thousand individuals in the population per year

Front 24

demand

Back 24

amount of product that consumers are willing and able to buy at various prices

Front 25

detritus

Back 25

tiny particles of organic material that result from fecal waste material or the decomposition of plants and animals

Front 26

dispersal

Back 26

migration of organisms from a concentrated population into areas with lower population densities

Front 27

ecology

Back 27

relationship between organisms and their environment

Front 28

ecosystem

Back 28

interacting species along with their physical environment

Front 29

ectoparasite

Back 29

parasite that lives on the outside of the host

Front 30

emergent plant

Back 30

rooted on the bottom but has leaves that float on the surface of the water

Front 31

endoparasite

Back 31

parasite that lives on the inside of the host

Front 32

energy

Back 32

ability to do work

Front 33

environment

Back 33

everything that affects an organism during its lifetime

Front 34

environmental resistance

Back 34

the combination of all environmental influences that tend to keep populations stable

Front 35

environmental science

Back 35

includes both applied and theoretical aspects of human impact on the world

Front 36

enzyme

Back 36

speed up the rates of chemical reactions

Front 37

ethics

Back 37

seeks to define what is fundamentally right and wrong

Front 38

euphotic zone

Back 38

the upper layer in the ocean where the sun's rays penetrate

Front 39

eutrophic lake

Back 39

usually shallow, warm water lake that is nutrient rich

Front 40

fossil fuels

Back 40

organic remains of plants, animals, and microorganisms that lived millions of years ago that are preserved as natural gas, oil, and coal

Front 41

habitat

Back 41

kind of place where a particular organism lives

Front 42

herbivore

Back 42

eats plants

Front 43

host

Back 43

organism that a parasite uses for food

Front 44

hypothesis

Back 44

logical statement that explains an event or answers a question that can be tested

Front 45

industrial ecology

Back 45

concept that stresses cycling resources rather than extracting and eventually discarding them

Front 46

interspecific competition

Back 46

between members of different species for a limited resource

Front 47

intraspecific competition

Back 47

between members of the same species for a limited resource

Front 48

keystone species

Back 48

one that has a critical role to play in the maintenance of specific ecosystems

Front 49

kinetic energy

Back 49

moving objects

Front 50

K-strategist

Back 50

large organisms, long lives, few offspring, provide care for offspring, populations stabilize at the carrying capacity

Front 51

lag phase

Back 51

initial stage of population growth during which growth is slow

Front 52

limiting factor

Back 52

determines population size of an organism

Front 53

limnetic zone

Back 53

region that does not have rooted vegetation in a freshwater ecosystem

Front 54

littoral zone

Back 54

region with rooted vegetation in a freshwater ecosystem

Front 55

morals

Back 55

feeling of a culture about ethical issues

Front 56

mortality

Back 56

number of deaths per year

Front 57

mutualism

Back 57

both organisms benefit

Front 58

natality

Back 58

number of individuals added to the population through reproduction

Front 59

niche

Back 59

total role an organism plays in its ecosystem

Front 60

non-renewable resources

Back 60

resources that cannot be replaced by natural means

Front 61

nucleus

Back 61

central region of an atom that contains the protons and neutrons

Front 62

oligotrophic lake

Back 62

deep and cold nutrient poor lakes that are low in productivity

Front 63

omnivore

Back 63

eats both plants and animals

Front 64

overburden

Back 64

layer of souila nd rock that covers deposits of desirable material

Front 65

parasite

Back 65

uses another living organism for nourishment

Front 66

passive solar system

Back 66

allows for the entrapment and trsfer of heat from the sun to a building without the use of moving parts or machinery

Front 67

pelagic

Back 67

organisms that swim in open water

Front 68

periphyton

Back 68

attached organisms in freshwater streams and rivers

Front 69

permafrost

Back 69

permanately frozen ground

Front 70

photosynthesis

Back 70

how animals make food, the sun is converted into energy that the plant can use

Front 71

photovoltaic cell

Back 71

means of directly converting light energy into electricity

Front 72

phytoplankton

Back 72

free floating microscopic chlorophyll containing organisms

Front 73

pioneer community

Back 73

begins the soil building process

Front 74

population

Back 74

group of individuals of the same species inhabiting an area

Front 75

potential energy

Back 75

energy of position

Front 76

predator

Back 76

animal that kills and eats another

Front 77

prey

Back 77

animal that is killed by the predator

Front 78

primary consumer

Back 78

animal that eats producers directly

Front 79

primary succession

Back 79

succession that begins with bare mineral surfaces or water

Front 80

renewable energy

Back 80

those energy sources that can be regerated by natural process

Front 81

replacement fertility

Back 81

the number of children per woman needed just to replace the parents

Front 82

reserves

Back 82

knwon deposits from which materials can be extracted profitably with existing technology under present economic conditions

Front 83

resources

Back 83

naturally occurring substances that can be utilized by people but may not be economic

Front 84

respiration

Back 84

the process that organisms use to realease chemical bond energy from food

Front 85

r-strategist

Back 85

small organisms, short life span, large number of offspring, does not reach carrying capacity

Front 86

scientific law

Back 86

theory in which no exceptions have been found

Front 87

secondary consumer

Back 87

animals that eat animals that have eaten plants

Front 88

secondary succession

Back 88

seccession that begins with the destruction or disturbance of an existing ecosystem

Front 89

sere

Back 89

stage in succession

Front 90

species

Back 90

group of organisms that can interbreed and produce offspring capable of reproduction

Front 91

stable equilibrium phase

Back 91

the phase in a population growth curve in which the death rate and birth rate become equal

Front 92

strip mining

Back 92

type of mining in which the overburden is removed to procure the underlying deposit

Front 93

succession

Back 93

regular and predictable changes in the structure of a community, ultimately leading to a climax community

Front 94

sustainable development

Back 94

using renewable resources in harmony with ecological systems to produce a rise in real income per person and an iproved standard of living for everyone

Front 95

symbiosis

Back 95

close long lasting physical relationship between members of two different species

Front 96

total fertility rate

Back 96

number of children born per woman per lifetime

Front 97

trophic level

Back 97

stage in the energy flow through ecosystems

Front 98

underground mining

Back 98

type of mining in which the deposited material is removed without disturbing the overburden

Front 99

wilderness

Back 99

a place where no human development is allowed

Front 100

zooplankton

Back 100

weakly swimming microscopic animals