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