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Populations and Communities
Ecology Populations and Communities
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ECOLOGY The study of the ____________________________between organisms and the _________________________________________ July 22, 2012 Footer text here
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ECOLOGY The study of the __relationships___________between organisms and the ________environment_________________________ Organism- __________________________________________________ July 22, 2012 Footer text here
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Ecology The study of the __relationships___________between organisms and the ________environment_________________________ Organism- __a living thing__________________________________ July 22, 2012 Footer text here
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ENVIRONMENT All of the ________________________ _________________________ and ____________________things that an organism can _______________________ with. July 22, 2012 Footer text here
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ENVIRONMENT All of the _____living___________________
and _____nonliving______things that an organism can ____interact___________________ with. An environment specific to an organism is a _________________________________ July 22, 2012 Footer text here
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ENVIRONMENT All of the _____living___________________
and _____nonliving______things that an organism can ____interact___________________ with. An environment specific to an organism is a _______habitat____________________ July 22, 2012 Footer text here
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2 Different factors in the Environment
_______________________ the ____________________ things in the environment Examples July 22, 2012 Footer text here
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2 Different factors in the Environment
____Abiotic____________ the ___nonliving________ things in the environment Examples _____Biotic____________ the ______Living________ things in the environment July 22, 2012 Footer text here
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What does an organism get from its environment???
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What does an organism get from its environment???
Food, water, shelter, and other things it needs to live, grow and reproduce July 22, 2012 Footer text here
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BiOtic vs ABiOtiC July 22, 2012 Footer text here
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BiOtic vs ABiOtiC One more example… MOVIE CLIP July 22, 2012
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How are ecosystems Organized??
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The first level of organization is the :
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The first level of organization is the :
1. organism: a living thing ex: clownfish July 22, 2012 Footer text here
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The second level of organization is the :
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The second level of organization is the :
2. POPULATION All members of a _____________________ that live together in a particular ______________________ July 22, 2012 Footer text here
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The second level of organization is the :
2. POPULATION All members of a ___species_____________ that live together in a particular _____area_________ ex: a school of clownfish July 22, 2012 Footer text here
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species A group of organisms which can mate and produce __________________ which can also _____________________ ex July 22, 2012 Footer text here
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species A group of organisms which can mate and produce ________offspring__________ which can also _reproduce____________________ ex July 22, 2012 Footer text here
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Species nonexample July 22, 2012 Footer text here
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The third level of organization is the :
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The third level of organization is the community
All the different____________________ that live together in an area July 22, 2012 Footer text here
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The third level of organization is the community
All the different____________________ that live together in an area populations July 22, 2012 Footer text here
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The fourth level of organization is the :
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The fourth level of organization is the :ecosystem
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The fourth level of organization is the :ecosystem
Community of ______________________________________ in an area and the ___________________________________ July 22, 2012 Footer text here
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The fourth level of organization is the :ecosystem
Community of ____organisms___________________ in an area and the ________________nonliving (abiotic) factors___________________ July 22, 2012 Footer text here
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Species: Organisms who can _______________ and whose offspring can reproduce. Non examples:
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3. ____________________________________
1.The _______________________, which is defined as the number of ____________________ per ___________________ people per given amount of _________ 2.The _______________________, which is defined as the number of ____________________ per ___________________ people per given amount of _________ 3. ____________________________________ Which is the ______________________ per _________________________________ July 22, 2012 Footer text here
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What 4 Factors Limit Population Size?
Theses are limiting Factors- which are defined as______________________________________________________________ Examples: Climate_______________________________________________________ _____________________________________ _______________________________________ Because of the limiting factors in the environment, a habitat can only support a certain number of organisms. This is the carrying capacity which is defined as ________________________________________________ July 22, 2012 Footer text here
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Let’s Calculate the population density of Hatboro and Horsham……
First, guess which town has the greatest population density….. July 22, 2012 Footer text here
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First Hatboro---Guess how many people and how many square miles its area is……..
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Its population density is….
First Hatboro---Guess how many people and how many square miles its area is…….. 7, 675 people 1.4 square miles Its population density is…. July 22, 2012 Footer text here
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5,482 people per square mile July 22, 2012 Footer text here
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Now Horsham--Guess how many people and how many square miles its area is……..
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Its population density is….
Now Horsham--Guess how many people and how many square miles its area is…….. 14,842 people 5.5 square miles Its population density is…. July 22, 2012 Footer text here
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2,699 people per square mile July 22, 2012 Footer text here
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Hatboro has the higher density–
5452 >2699 July 22, 2012 Footer text here
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