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Chapter 4 ecosystem

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Ecosystems

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Chapter 4 ecosystem

  1. 1. WHAT ARE ECOSYSTEMS?WHAT ARE ECOSYSTEMS?
  2. 2. Where Things LiveWhere Things Live  Living things need a place to live andLiving things need a place to live and grow.grow.
  3. 3. Fish live in water.Fish live in water.
  4. 4. Birds live in trees and fly throughBirds live in trees and fly through thethe air.air.
  5. 5. Plants grow where there is soil,Plants grow where there is soil, waterwater and sun.and sun.
  6. 6. Main Idea and DetailsMain Idea and Details Living things need a place to live and grow. Fish live in water. Birds live in trees and fly in the air. Plants grow where there is soil, water and sun.
  7. 7. ENVIRONMENTENVIRONMENT  The living andThe living and nonliving things thatnonliving things that surround a living thingsurround a living thing make up itsmake up its environment.environment.
  8. 8. What do living things get from theirWhat do living things get from their environments?environments?  Many living things share theirMany living things share their environments and its resources.environments and its resources. 1.1. FoodFood 2.2. WaterWater 3.3. OxygenOxygen 4.4. SpaceSpace
  9. 9. Parts of an EcosystemParts of an Ecosystem  AnAn ecosystemecosystem is made up of all the livingis made up of all the living and nonliving things in anand nonliving things in an environmentenvironment..
  10. 10. Different types of organisms liveDifferent types of organisms live in anin an ecosystem.ecosystem. A group of organisms of the same kind living in the same place is a population.
  11. 11. All the population that live in anAll the population that live in an ecosystem at the same time form aecosystem at the same time form a community.community.
  12. 12. All members of a communityAll members of a community live in the same ecosystem butlive in the same ecosystem but they do not all live in the samethey do not all live in the same part of the ecosystem.part of the ecosystem.
  13. 13. Where Plants and AnimalsWhere Plants and Animals LiveLive HabitatHabitat is a place where plantsis a place where plants and animals lives.and animals lives.
  14. 14. It is a place where they can meetIt is a place where they can meet their needs.their needs. Animals getAnimals get foodfood,, waterwater, and, and sheltershelter from their habitat,from their habitat,
  15. 15. Organisms and their HabitatsOrganisms and their Habitats  Some organisms can survive only inSome organisms can survive only in certain habitats.certain habitats.  For example, a polar could not find theFor example, a polar could not find the water it needs in a desert.water it needs in a desert.
  16. 16. Classify Living and Nonliving thingsClassify Living and Nonliving things  Living ThingsLiving Things  Non Living ThingsNon Living Things Air Rocks Cave Soil water Fish Water lily Plants Animals People
  17. 17. Use the following tree map to writeUse the following tree map to write a lesson summary.a lesson summary. Parts of an Ecosystem Populations Communities Habitats
  18. 18. Lesson 2Lesson 2 What are some types ofWhat are some types of ecosystems?ecosystems?
  19. 19. Types of EcosystemsTypes of Ecosystems  Deserts are very dryDeserts are very dry ecosystems.ecosystems.  Desert plants andDesert plants and animals can surviveanimals can survive with very little water.with very little water.
  20. 20. Desert PlantsDesert Plants  Desert plants, suchDesert plants, such as cactus, have thickas cactus, have thick stems that storestems that store water.water.  The roots of a cactusThe roots of a cactus lie just below the soillie just below the soil and spread far fromand spread far from the plant.the plant.
  21. 21. Grassland EcosystemsGrassland Ecosystems  Grasslands are dry,Grasslands are dry, often flat areas ofoften flat areas of land that are hot inland that are hot in the summer and coldthe summer and cold in the winter.in the winter.  They get more rainThey get more rain and snow thanand snow than deserts but less thatdeserts but less that most othermost other ecosystems.ecosystems.
  22. 22. PlantsPlants  The main plant in aThe main plant in a grassland ecosystemgrassland ecosystem is grass.is grass.  There are not manyThere are not many bushes in thebushes in the grassland.grassland.  Trees are found onlyTrees are found only by rivers and streams.by rivers and streams.
  23. 23. Saltwater EcosystemsSaltwater Ecosystems  Saltwater ecosystems are oceans.Saltwater ecosystems are oceans.  Oceans cover about three –fourths ofOceans cover about three –fourths of Earth’s surface, so there are moreEarth’s surface, so there are more saltwater ecosystems than any other.saltwater ecosystems than any other.
  24. 24. Sharks, sea turtles, corals andSharks, sea turtles, corals and octopus are all ocean animals.octopus are all ocean animals. So are whales and seals.So are whales and seals.
  25. 25. Freshwater EcosystemsFreshwater Ecosystems  Rivers, ponds, lakes andRivers, ponds, lakes and streams have fresh water.streams have fresh water.  Lakes and rivers are closelyLakes and rivers are closely tied. Some lakes are thetied. Some lakes are the source for some rivers.source for some rivers. Important rivers, most often,Important rivers, most often, originate from lakes. Someoriginate from lakes. Some rivers end in lakes.rivers end in lakes.  Since both rivers and lakes areSince both rivers and lakes are freshwater and flow in and outfreshwater and flow in and out of each other, they shareof each other, they share similar characteristics andsimilar characteristics and many species reside in bothmany species reside in both habitats.habitats.
  26. 26. Forest EcosystemsForest Ecosystems Forest are ecosystems in which many trees grow.
  27. 27. Tropical Rain ForestTropical Rain Forest  A tropical rain forestA tropical rain forest grows where it is hotgrows where it is hot and wet all year long.and wet all year long.  Animals such asAnimals such as jaguars and monkeysjaguars and monkeys live there.live there.
  28. 28. Deciduous ForestDeciduous Forest What's A TemperateWhat's A Temperate Deciduous Forest Like?Deciduous Forest Like?  OOne of the most interestingne of the most interesting features of the temperatefeatures of the temperate deciduous forest is itsdeciduous forest is its changing seasonschanging seasons..  The word "deciduous" meansThe word "deciduous" means exactly what the leaves on theseexactly what the leaves on these trees do: change color in autumn,trees do: change color in autumn, fall off in the winter, and grow backfall off in the winter, and grow back again in the spring. This adaptationagain in the spring. This adaptation helps trees in the forest survivehelps trees in the forest survive winter.winter.
  29. 29. Drawing ConclusionsDrawing Conclusions  Suppose all the plants in one ecosystemSuppose all the plants in one ecosystem died.died. What do you think would happen to thatWhat do you think would happen to that ecosystem?ecosystem? Why?Why?
  30. 30. EcosystemEcosystem What I look likeWhat I look like Desert Rain Forest Rains every day and has many trees and plants Hot and dry Deciduous Forest Enough rain for trees to grow. They lose their leaves in the fall. Made up of rivers, ponds, lakes and streams and my water does not have much salt Freshwater Ecosystems
  31. 31. Try this!Try this!  Choose an ecosystem.Choose an ecosystem.  Make a drawing of it.Make a drawing of it.  Write a descriptive paragraph about it.Write a descriptive paragraph about it.  Include the following details:Include the following details: 1.1. Name of the ecosystemName of the ecosystem 2.2. Type of ecosystem: CharacteristicsType of ecosystem: Characteristics 3.3. Animals and plants found their.Animals and plants found their.

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