Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Ecology > Ecology Reversed > Flashcards

Ecology Reversed Flashcards

1
Q

Study of the Interactions between Organisms and the Nonliving Components of their Environment

A

ecology

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

all the organisms of the same species living in one place at one time

A

population

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

all of the populations in one area at one time

A

community

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

the physical location of the community

A

habitat

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

All organisms and the non-living environment in an area

A

ecosystem

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

measure of the number of different species there are and how common each species is

A

diversity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

an organism’s role in the community (like a job)

It includes the way an organism interacts with its environment

A

niche

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

species with broad niches, they can tolerate many conditions and use many resources (ex cats, deer, roaches)

A

generalists

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Species that have narrow Niches, they can only tolerate certain conditions. (ex. Koala and Panda)

A

specialists

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

organisms living in a close relationship

A

symbiosis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

two species cooperating (+ and +)

ex. bees and flowers, hippos and fish

A

mutualism

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

two species or organisms struggling for the same resource (- and -)

A

competition

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

one species benefits from another, the other species is not affected (+ and no affect)

A

commensalism

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

one species hunting and eating another (+ and -)

A

predation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

one species benefits from another, the other species is harmed (+ and -)

A

parasitism

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

make their own energy, Turn the suns energy into a form other organisms can obtain

A

producers (autotrophs)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Get energy through eating or absorption

A

Consumers- (heterotrophs)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

A group of animals that get their energy from the

same source

A

trophic level

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Scavengers
They eat dead and/or decaying matter
Ex. vultures, crab, maggots, dung beetle, bacteria

A

decomposers /detritivores

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Only 10% of the energy passed up trophic levels makes it to the next level

A

energy pyramid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

The number of organisms in a population per unit area

A

population density

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Change in population size over time

A

growth rate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

population size is not changing

A

Zero growth rate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Starts out exponential, but levels off at a certain population size (S-curve)

A

Logistic Growth

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

Population will increase exponentially (J-curve)

A

exponential growth

26
Q

the maximum population size an ecosystem can support, leveling off point

A

Carrying Capacity

27
Q

reproduce fast, have many young, develop quickly. (rabbits)

A

R-selected species

28
Q

reproduce steadily, have few young develop slowly. (kangaroos)

A

K-selected species

29
Q

Factors that have a greater influence on population size as the population increases

Generally biotic factors

Ex. competition, predation, parasitism, crowding stress

A

Density Dependant Factors

30
Q

Factors that have an impact on population size regardless of what the population size is.

Generally abiotic factors

Ex. weather, fires, drought, human activities

A

Density Independent Factors

31
Q

changing of plant communities

A

Succession

32
Q

begins with bare rock from volcanic activity

A

Primary succession

33
Q

begins with soil from a previous community

ex. Fire -Soil- grass- shrubs-forest

A

Secondary succession

34
Q

first community (ex: moss,grass)

A

Pioneer community

35
Q

ending community (ex: forest)

A

Climax community

36
Q

The study of populations

size, growth, make-up

A

Demography

37
Q 
Increased food production
Increased hygiene (medicine) 
Better shelter (engineering)
A

Growth Factors

38
Q

distribution of ages in a population at a certain time

A

Age Structure Diagram

39
Q

what does a Pyramid shape on age structure diagram indicate

A

faster growth

40
Q

the percentage of members of a population that are likely to survive to any given age

A

survivorship curve

41
Q

Average number of children a woman gives birth to in her lifetime

A

Fertility Rates

42
Q

moving of individuals between areas

A

Migration

43
Q

The average number of years individuals in a population are likely to live

A

Life Expectancy

44
Q

Describes how changes in industry have affected growth

A

demographic transistion

45
Q

Basic facilities and services that support a community (water, power, sewer, roads, etc)

Usually lacking in rapidly growing underdeveloped nations

A

Infrastructure

46
Q

More developed nations begin moving into concentrated cities for work

Leads to traffic pollution, overcrowding, strain on infrastructure

A

Urbanization

47
Q

Negative effects of rapid growth has led some nations to limit birth rates

A

managing growth

48
Q

the populations of developed nations are beginning to decrease because they’re more focused on innovation

A

slowing growth

49
Q

Water from precipitation flows back into lakes, rivers, streams, ocean, etc

A

runoff

50
Q

Most water used by humans is from where?

A

groundwater followed by lakes and rivers

51
Q

safe to drink

A

potable

52
Q

number 1 cause of death on earth

A

Lack of safe drinking water

53
Q

Delivers small amounts of water directly to roots

A

Drip irrigation

54
Q

animals eating too much at once, loosens soil causing erosion

A

Overgrazing

55
Q

Trees are clear cut for development and not replaced

A

deforestation

56
Q

Loss of _____ sends fresh water back to the ocean before it get back into the ground

A

wetlands

57
Q

Species with larger numbers, but conditions point to there numbers dropping quickly in the near future

A

Threatened Species

58
Q

A species is gone forever

A

extinct

59
Q

A species is close to extinction

A

endangered

60
Q

Animals:
have a right to exist
all have a niche
Are indicators of the health of the environment

A

Biodiversity Benefits

Ecology (4 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions