EcologyEcology

EcologyEcology

EcologyEcology

EcologyEcology

EcologyEcology

EcologyEcology

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E E E E E E

All of the All of the environmental environmental

features in an area features in an area where an organism where an organism

liveslives

What is a What is a habitat?habitat?

Position in a Position in a food web and food web and

behavior is behavior is part of thispart of this

What is a What is a niche?niche?

Increases in Increases in competition for food, competition for food,

shelter, and mates shelter, and mates cause a population to cause a population to

reach thisreach this

What is What is carrying carrying capacity?capacity?

Ex: Two robins Ex: Two robins eating worms eating worms on the same on the same

lawnlawn

What is What is competition?competition?

One organism One organism capturing and capturing and eating anothereating another

What is What is predationpredation

??

Ex: Aphids Ex: Aphids excrete a waste excrete a waste that ants eat, that ants eat,

while ants protect while ants protect the aphids from the aphids from

predatorspredators

What is What is mutualism?mutualism?

Ex: oak tree Ex: oak tree provides a provides a

place for a bird place for a bird to build a nestto build a nest

What is What is commensalismcommensalism

??

DifferencDifference e

between between parasites parasites

and and predatorpredator

ss

What is What is parasites parasites keep their keep their hosts alive hosts alive for a while?for a while?

Movement Movement of a single of a single

caribou into caribou into a herda herd

What is What is immigratioimmigratio

n?n?

Pattern of Pattern of growth growth limited limited

resources resources will showwill show

What is What is logistic?logistic?

T/F Carrying T/F Carrying capacity capacity

changes after changes after a fire or flooda fire or flood

What is true?What is true?

Ex: Diseases Ex: Diseases spread more spread more rapidly when rapidly when

an area is an area is crowdedcrowded

What is a What is a density-density-

dependent dependent limiting limiting factor?factor?

Ex: Natural Ex: Natural disasterdisaster

What is a What is a density-density-

independent independent limiting limiting factor?factor?

Sequence of Sequence of biotic changes biotic changes

that regenerate that regenerate or create an or create an ecological ecological communitycommunity

What is What is successiosuccessio

n?n?

Development Development of an of an

ecosystem in ecosystem in an area that an area that

has been has been covered by covered by

lava begins bylava begins by

What is What is breakdown of breakdown of

rock by rock by pioneer pioneer species?species?

Ex: lichens Ex: lichens and mosses and mosses

that first live that first live in in

uninhabited uninhabited areasareas

What are What are pioneer pioneer species?species?

Ex: After a Ex: After a forest fireforest fire

What is What is secondaseconda

ry ry successisuccessi

on?on?

Begins with Begins with bare rockbare rock

What is What is primary primary

successionsuccession??

Earth’s human Earth’s human populationpopulation

What is What is about 6 about 6 billion?billion?

Reason Reason Earth’s Earth’s carrying carrying

capacity has capacity has increasedincreased

What is What is technologytechnology

??

Ex: coalEx: coal

What is a What is a nonrenewablnonrenewable resource?e resource?

Ex: Trees on Ex: Trees on Easter Island Easter Island

were cut were cut faster than faster than they could they could

growgrow

What is What is nonrenewablnonrenewable resource?e resource?

Amount of Amount of land needed land needed to support a to support a

personperson

What is an What is an ecological ecological footprint?footprint?

Ex: A vine Ex: A vine coiling around coiling around

an objectan object

What What thigmotropisthigmotropis

m?m?

Gases that Gases that contribute to contribute to

the the greenhouse greenhouse

effecteffect

What are What are carbon carbon

dioxide and dioxide and methane?methane?

Pollutants in Pollutants in the water the water

cycle cause cycle cause rain to rain to

become ______become ______

What is more What is more acidic than acidic than

normal?normal?

How How greenhouse greenhouse gases affect gases affect

Earth’s Earth’s atmosphereatmosphere

What is they What is they slow the slow the

loss of heat?loss of heat?

Increase in Increase in global global

temperaturestemperatures

What is What is global global

warming?warming?

One One organism organism benefits benefits

while one is while one is neither neither

benefited or benefited or harmedharmed

What is What is commensalcommensal

ism?ism?

Ex: A leech Ex: A leech feeds on a feeds on a

host’s bloodhost’s blood

What is What is parasitismparasitism

??

Final Jeopardy:Final Jeopardy:What 2 factors What 2 factors cause smog?cause smog?

Sunlight and pollutants from fossil fuels