Ecosystems are made up of all the living and nonliving things in an environment. They consist of populations of organisms, communities of populations that interact, and habitats that meet organisms' needs. There are several main types of ecosystems including deserts, grasslands, oceans, rivers and lakes, and forests. Each ecosystem contains different plants and animals that are adapted to the environmental conditions.

1. WHAT ARE ECOSYSTEMS?WHAT ARE ECOSYSTEMS?

2. Where Things LiveWhere Things Live
 Living things need a place to live andLiving things need a place to live and
grow.grow.

3. Fish live in water.Fish live in water.

4. Birds live in trees and fly throughBirds live in trees and fly through
thethe air.air.

5. Plants grow where there is soil,Plants grow where there is soil,
waterwater and sun.and sun.

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. 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. 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. 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. 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. 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. 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. 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. 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. 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. 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. 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. Lesson 2Lesson 2
What are some types ofWhat are some types of
ecosystems?ecosystems?

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. 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. 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. 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. 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. 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. 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. Forest EcosystemsForest Ecosystems
Forest are ecosystems
in which many trees
grow.

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. 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. 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. 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. 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.