What Are Ecosystems?What Are Ecosystems?

ObjectivesObjectives: : -Compare different climates.Compare different climates.

-Describe how organisms interact in Describe how organisms interact in ecosystems.ecosystems.

-Explain how climate affects ecosystem Explain how climate affects ecosystem diversity.diversity.

Main Idea and Details:Main Idea and Details:Look for details about ecosystems.Look for details about ecosystems.

VocabularyVocabulary

EcosystemEcosystemPopulationPopulationCommunityCommunity

HabitatHabitatNicheNiche

DiversityDiversity

Science BackgroundScience BackgroundDo plants and animals interact in Do plants and animals interact in

ecosystems?ecosystems? -How do you think plants and animals interact How do you think plants and animals interact

with each other in nature?with each other in nature?Scientists Explain:Scientists Explain:

There are many plant-animal interactions in There are many plant-animal interactions in nature. Animals eat plats to get energy and nature. Animals eat plats to get energy and

nutrients. Plants serve as habitats for insects, nutrients. Plants serve as habitats for insects, small animals, and birds. Plans (and algae) small animals, and birds. Plans (and algae)

also release oxygen into the air as a also release oxygen into the air as a byproduct of photosynthesis. People and byproduct of photosynthesis. People and

other animals need oxygen to live. Plants use other animals need oxygen to live. Plants use it in the process of respiration.it in the process of respiration.

Vocabulary PowerVocabulary PowerConsumer:Consumer:

Producer:Producer:

Vocabulary PowerVocabulary PowerDo the Do the

worksheet on worksheet on your own…you your own…you have 7 minuteshave 7 minutes

READY…..READY…..SET….SET….

GO!!!!!!GO!!!!!!

Vocabulary PowerVocabulary PowerCheck your Check your

answers with the answers with the people in your people in your

group.group.

Now lets check it Now lets check it as a class…as a class…

Vocabulary PowerVocabulary Power1.1. A struggle for limited resourcesA struggle for limited resources2.2. Organisms that live on another Organisms that live on another

organismorganism3.3. Groups of organisms of the same Groups of organisms of the same

species living together in an ecosystem.species living together in an ecosystem.4.4. ConsumerConsumer5.5. ProducerProducer6.6. ConsumerConsumer7.7. ConsumerConsumer8.8. ProducerProducer9.9. ProducerProducer

Great Job!!!Great Job!!!

150 - Ecosystems150 - Ecosystems

Science Concepts:Science Concepts:-What an ecosystem is and how -What an ecosystem is and how

organisms interact in organisms interact in ecosystems.ecosystems.

-What factors affect diversity.-What factors affect diversity.

150 - Ecosystems150 - Ecosystems

What are the biotic parts What are the biotic parts (living) of this forest?(living) of this forest?

They are the trees, shrubs, They are the trees, shrubs, flowers, deer, insects, fallen flowers, deer, insects, fallen

leaves, skunks and birds.leaves, skunks and birds.

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150 - Ecosystems150 - Ecosystems

Would the abiotic (nonliving) Would the abiotic (nonliving) parts of the ecosystem you see in parts of the ecosystem you see in

the illustrations be similar or the illustrations be similar or different from the ones you would different from the ones you would see in another ecosystem, such as see in another ecosystem, such as

a desert?a desert?The same categories the same (soil, plants, The same categories the same (soil, plants, and so on), would be present but the types and so on), would be present but the types of rocks, soil, air quality, and so on would of rocks, soil, air quality, and so on would

be different.be different.

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150 - Ecosystems150 - Ecosystems

Main Idea and Details:Main Idea and Details:What are the biotic and abiotic What are the biotic and abiotic

parts of an ecosystem?parts of an ecosystem?

The biotic parts of an ecosystem The biotic parts of an ecosystem are the living parts; the abiotic are the living parts; the abiotic parts of an ecosystem are the parts of an ecosystem are the

nonliving parts.nonliving parts.

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150 - Ecosystems150 - Ecosystems

Vocabulary:Vocabulary:151 – 151 – EcosystemEcosystem: :

an area where organisms interact an area where organisms interact with one another as well as with with one another as well as with

the nonliving parts of the the nonliving parts of the environment.environment.

Main Idea and Supporting Main Idea and Supporting DetailsDetails

A.A.Subheading: EcosystemsSubheading: Ecosystems1.1. Each organism in an ecosystem Each organism in an ecosystem

interacts with other organisms.interacts with other organisms.2.2. biotic parts are the living parts of an biotic parts are the living parts of an

ecosystem.ecosystem.3.3. abiotic parts are the nonliving parts of abiotic parts are the nonliving parts of

an ecosystem.an ecosystem.4.4. an ecosystem’s biotic parts interact an ecosystem’s biotic parts interact

with each other.with each other.5.5. an ecosystems’ abiotic parts help an ecosystems’ abiotic parts help

determine what lives in it.determine what lives in it.

152 – A Place to Live152 – A Place to Live

Which has a better chance of Which has a better chance of survival if conditions change: an survival if conditions change: an organism with a broad niche or organism with a broad niche or

one with a narrow niche?one with a narrow niche?Broad, because it can live in a wider variety Broad, because it can live in a wider variety

of conditionsof conditions

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Main Idea and Details:Main Idea and Details:How are a population and a How are a population and a

community related in an community related in an ecosystem?ecosystem?

A population is a group of organisms of the A population is a group of organisms of the same species living in an ecosystem. A same species living in an ecosystem. A community is all the populations of an community is all the populations of an

ecosystem.ecosystem.

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152 – A Place to Live152 – A Place to Live

Vocabulary:Vocabulary:152 – 152 – PopulationPopulation::

A group of organisms of the same species A group of organisms of the same species living together in an ecosystem.living together in an ecosystem.

152 – 152 – CommunityCommunity::All populations living in an ecosystem.All populations living in an ecosystem.

153 – 153 – HabitatHabitat::The part of the ecosystem in which the The part of the ecosystem in which the

organism lives.organism lives.153 – 153 – NicheNiche::

The organisms role in an ecosystem.The organisms role in an ecosystem.

152 – A Place to Live152 – A Place to Live

Main Idea and Supporting Main Idea and Supporting DetailsDetails

B. Subheading: A Place to B. Subheading: A Place to LiveLive

1.1. A population is a group of organisms of A population is a group of organisms of the same species living together in an the same species living together in an ecosystemecosystem

2.2. All of the populations in an ecosystem All of the populations in an ecosystem make up a communitymake up a community

3.3. Cacti have connections with many Cacti have connections with many animals of the desert ecosystemanimals of the desert ecosystem

4.4. Two populations with similar needs can Two populations with similar needs can share a habitatshare a habitat

5.5. Two populations can’t share the same Two populations can’t share the same niche.niche.

How can the extinction of one How can the extinction of one species decrease an ecosystem’s species decrease an ecosystem’s

diversity over time?diversity over time?Removal of one could eliminate others that Removal of one could eliminate others that

depend on it for food.depend on it for food.

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154 – Diversity154 – Diversity

Main Idea and Details:Main Idea and Details:Why are climate and location the Why are climate and location the

two most important factors in two most important factors in determining ecosystem diversity?determining ecosystem diversity?

In general, ecosystems closer to the In general, ecosystems closer to the equator are warmer and have more species equator are warmer and have more species

and so are more diverse. Ecosystems and so are more diverse. Ecosystems closer to the poles are colder and have closer to the poles are colder and have fewer species and so are less diverse.fewer species and so are less diverse.

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154 – Diversity154 – Diversity

154 - Diversity154 - Diversity

Vocabulary:Vocabulary:154 – 154 – DiversityDiversity::

The variety of species in an The variety of species in an ecosystem.ecosystem.

154 – Insta-Lab154 – Insta-LabMarble Diversity:Marble Diversity:

I will pass around a jar of marbles. I will pass around a jar of marbles. Reach into the jar, and pull out a Reach into the jar, and pull out a

handful of marbles.handful of marbles.Sort the marbles by type.Sort the marbles by type.

How many types do you have?How many types do you have?Compare your results with those of Compare your results with those of

other tables. other tables. Who has the most diverse handful of Who has the most diverse handful of

marbles?marbles?

Main Idea and Supporting Main Idea and Supporting DetailsDetails

C. Subheading: DiversityC. Subheading: Diversity1.1. Diversity refers to the variety of Diversity refers to the variety of

species in an ecosystem.species in an ecosystem.2.2. Climate and location are two of the Climate and location are two of the

most important factors.most important factors.3.3. The actions of people are making The actions of people are making

ecosystems less diverse by destroying ecosystems less diverse by destroying habitats and food sources.habitats and food sources.

4.4. If one population is harmed or If one population is harmed or destroyed, the entire ecosystem destroyed, the entire ecosystem suffers.suffers.

Get your coats because…Get your coats because…

We are going on a We are going on a hike!!!!hike!!!!

On our hike, with a partner, listen On our hike, with a partner, listen for….look…and list all of the for….look…and list all of the animals and plants you can animals and plants you can

identify.identify.

Extra CreditExtra Credit: On the sheet of paper, illustrate a map of : On the sheet of paper, illustrate a map of our hike and what you saw/heard along the way.our hike and what you saw/heard along the way.

Lesson 1 ReviewLesson 1 Review

In your groups:In your groups:Complete numbers 1, 3 - 6Complete numbers 1, 3 - 6