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Main Idea:Main Idea: Organisms have adaptations to Organisms have adaptations to survive in their various environments. survive in their various environments. When an ecosystem changes, some living When an ecosystem changes, some living things survive and some do not survive.things survive and some do not survive.
Unit 1 Unit 1 Life Life
ScienceScience
Chapter 3 Adaptations Chapter 3 Adaptations in Ecosystemsin Ecosystems
Made by Jennifer Davis-Made by Jennifer Davis-KelleyKelley
Photo taken by Jessica Davis Photo taken by Jessica Davis Gould…Gould…
Mrs. DK’s sisterMrs. DK’s sister
Chapter Chapter PreviewPreview
Look at the lesson titles, Look at the lesson titles, vocabulary words, and vocabulary words, and
pictures. pictures. Predict what the Predict what the lessons will be about.lessons will be about.
Assess Assess PriorPrior KnowledgeKnowledge
• How are ecosystems on Earth How are ecosystems on Earth different from each other?different from each other?
• How do different types of organisms How do different types of organisms get the energy they need to survive?get the energy they need to survive?
Lesson 1: Animal Lesson 1: Animal AdaptationsAdaptations
Big Idea:Big Idea: How do organisms survive in their How do organisms survive in their environment?environment?
• GLE 0407.5.1 Analyze physical and behavioral GLE 0407.5.1 Analyze physical and behavioral adaptations that enable organisms to survive in adaptations that enable organisms to survive in their environment.their environment.
• SPI 0407.5.1 Determine how a physical or SPI 0407.5.1 Determine how a physical or behavioral adaptation can enhance the chances behavioral adaptation can enhance the chances of survival.of survival.
Lesson 1 ObjectivesLesson 1 Objectives• Explain what an adaptation is.Explain what an adaptation is.• Provide examples of how adaptations Provide examples of how adaptations
help animals survive in their habitats.help animals survive in their habitats.
Guiding Question Throughout Guiding Question Throughout Lesson 1:Lesson 1:
How does natural selection explain How does natural selection explain how organisms have changed over how organisms have changed over
time?time?
Conceptual Strand 5 – HeredityConceptual Strand 5 – HeredityA rich variety of complex organisms A rich variety of complex organisms
have developed in response to a continually have developed in response to a continually changing environment.changing environment.
Engage Engage page 102page 102
• How does the humming ‘s bird’s body help it How does the humming ‘s bird’s body help it to survive? to survive?
• What would happen if all other birds had a What would happen if all other birds had a hummingbird’s body?hummingbird’s body?
They would all get nectar the same way They would all get nectar the same way and there would not be enough and there would not be enough
food for all the birds.food for all the birds.
Its long beak helps it to get Its long beak helps it to get nectar from flowers.nectar from flowers.
Look and WonderLook and Wonder pages 102:pages 102:
Could this bird Could this bird survive without its survive without its long and narrow long and narrow
beak?beak?
No, it would not be No, it would not be able to reach the able to reach the nectar that it needs nectar that it needs for food.for food.
Does the shape of a bird’s beak Does the shape of a bird’s beak affect what it eats? affect what it eats?
Today you will explore how the Today you will explore how the shape of a bird’s beak affects the shape of a bird’s beak affects the kind of food the bird eats. kind of food the bird eats.
Your Your objectiveobjective is to is to predictpredict which which material represents a specific kind material represents a specific kind of beak. of beak. Draw conclusionsDraw conclusions and fill and fill in the in the graphic organizer graphic organizer with your with your conclusions.conclusions.
Explore Explore
• hibernatehibernate• camouflagecamouflage• mimicrymimicry• locomotionlocomotion• adaptationadaptation
New VocabularyNew Vocabulary
AdaptationAdaptation
A A traittrait that that helps an helps an organism organism
survivesurvive in its in its environment.environment.
CamouflageCamouflage
A A traittrait in in which an which an
animal hides animal hides by blendingby blending in with its in with its
environmentenvironment..
LocoLocomotionmotion
Movement Movement from place from place
to place.to place.
MimicMimicryry
An An adaptationadaptation in which in which
one kind of one kind of organism organism looks like looks like anotheranother.. Hawkmoth Caterpillar mimics a Hawkmoth Caterpillar mimics a
local poisonous snake.local poisonous snake.
HibernateHibernate
When an When an animal’s body activities slow animal’s body activities slow downdown and it lives off body fat. and it lives off body fat.
Every habitat has its challenges. Every habitat has its challenges. Animals can meet those challenges Animals can meet those challenges with the right set of traits. These with the right set of traits. These traits help them meet their needs.traits help them meet their needs.
ExplainExplainWhat are adaptations? What are adaptations?
Pages 104/105Pages 104/105
ExplainExplainWhat are adaptations? What are adaptations?
Pages 104/105Pages 104/105
TraitsTraits can be can be physical physical characteristics…characteristics…Like a bird’s beak. Like a bird’s beak.
Beaks are shaped Beaks are shaped a specific way so a specific way so
that it can get the that it can get the food it needs to food it needs to
survive.survive.
The trunk of an The trunk of an elephant helps it elephant helps it grasp things and grasp things and feed itself.feed itself.
ExplainExplainWhat are adaptations? What are adaptations?
Pages 104/105Pages 104/105
Adaptations Adaptations are traits that are traits that help an organism survive in help an organism survive in its environment. its environment.
A camel’s hump stores A camel’s hump stores fat and water for times fat and water for times when there is not when there is not much food available. much food available. Its hooves are thick to Its hooves are thick to withstand the heat of withstand the heat of the desert. They can the desert. They can close their nostrils to close their nostrils to keep out sand.keep out sand.
A polar bear has thick A polar bear has thick fur to help keep it fur to help keep it warm in polar warm in polar climates.climates.
ExplainExplainWhat are adaptations? What are adaptations?
Pages 104/105Pages 104/105
Other animals that live in the Other animals that live in the deserts have deserts have adaptations adaptations to to help them survive.help them survive.
A sandgrouse is a A sandgrouse is a desert bird with desert bird with
feathers that soak feathers that soak up water. This up water. This
allows it to carry allows it to carry water to its young water to its young
in the nest.in the nest.
The kangaroo rat gets The kangaroo rat gets water from the seeds water from the seeds it eats.it eats.
To stay cool in the hot To stay cool in the hot desert, the fennec fox desert, the fennec fox has large ears that has large ears that give off heat. It also give off heat. It also has thinner fur than has thinner fur than its relatives in cooler its relatives in cooler climates.climates.
ExplainExplainWhat are adaptations? What are adaptations?
Pages 104/105Pages 104/105
Fennec foxFennec fox
Arctic foxArctic fox
USING THE VISUALS :USING THE VISUALS :
• Which type of environment are Which type of environment are these organisms suited for?these organisms suited for?
• Which adaptations helps the camel Which adaptations helps the camel to survive in the desert?to survive in the desert?
ExplainExplainWhat are adaptations? What are adaptations?
Pages 104/105Pages 104/105
ExplainExplainWhat are adaptations? What are adaptations?
Pages 104/105Pages 104/105
"Adaptations" Elementary life science video clip – YouTube
Animal Adaptations - YouTube
EvaluateEvaluateWhat are adaptations? What are adaptations?
Pages 104/105Pages 104/105
Quick CheckQuick Check
1.1. PredictPredictWhat might happen to a Tennessee animal if was moved to a hot desert?
2.2. Critical ThinkingCritical ThinkingHow are an eagle’s claws and a giraffe’s neck examples of adaptations?
It might not survive because It might not survive because it is not adapted to live in a it is not adapted to live in a dry environment. dry environment. Tennessee has more Tennessee has more moisture in the form of rain moisture in the form of rain and snow.and snow.
Both are adaptations that Both are adaptations that help the animals get food.help the animals get food.
EvaluateEvaluateWhat are adaptations? What are adaptations?
Pages 104/105Pages 104/105
What is the What is the Main IdeaMain Idea of this of this selection?selection?Think about these questions while you Think about these questions while you
formulate formulate the the main idea.main idea.
1.1. Think of an animal with one or Think of an animal with one or more characteristics that make more characteristics that make the animal suitable for a specific the animal suitable for a specific environment.environment.
2. Which characteristics help this 2. Which characteristics help this organism to survive?organism to survive?
3. How might this organism be 3. How might this organism be affected if it were placed in affected if it were placed in another environment?another environment?
ExplainExplain
What are some other adaptations of animals? Pages 106/107 What are some other adaptations of animals? Pages 106/107
There are five other kinds of There are five other kinds of
adaptations that help animals survive adaptations that help animals survive in their environments.in their environments.
BEHAVIORSBEHAVIORS
HibernatingHibernatingMigratingMigrating
CAMOUFLAGECAMOUFLAGE MIMICRYMIMICRYDEFENSEDEFENSE LOCOMOTIONLOCOMOTION
ExplainExplain
What are some other adaptations of animals? Pages 106/107What are some other adaptations of animals? Pages 106/107
Animals may leave their habitats when Animals may leave their habitats when the weather becomes cold or their food the weather becomes cold or their food
sources become low. This is called sources become low. This is called
migration.migration.
Behaviors Behaviors like like
MigrationMigration
HibernationHibernation
Some animals hibernate to avoid the Some animals hibernate to avoid the cold. During hibernation, the animal’s cold. During hibernation, the animal’s body activities slow down and it lives body activities slow down and it lives
off body fat. off body fat.
ExplainExplain
What are some other adaptations of animals? Pages 106/107What are some other adaptations of animals? Pages 106/107
Some animals blend in with their Some animals blend in with their environment. This adaptation is environment. This adaptation is called camouflage. It helps the called camouflage. It helps the
animal hide.animal hide.
CamouflageCamouflage
Animal Camouflage Pictures : Discovery Channel
Animal Camouflage Pictures -- National Geographic Kids
ExplainExplain
What are some other adaptations of animals? Pages 106/107What are some other adaptations of animals? Pages 106/107
When one kind of living thing looks When one kind of living thing looks like another kind, it is called like another kind, it is called mimicrymimicry..
MIMICRYMIMICRY
Hover flyHover fly Honey beeHoney beeFlatwormFlatworm Sea slugSea slugSticksSticks Walking StickWalking StickSnakeSnake Hawkmoth CaterpillarHawkmoth Caterpillar
ExplainExplain
What are some other adaptations of animals? Pages 106/107What are some other adaptations of animals? Pages 106/107
Animals often have body parts for Animals often have body parts for defense defense or or protection. Some have poison glands in their protection. Some have poison glands in their
jaws. Some have hard spines on the outside of jaws. Some have hard spines on the outside of
their bodies. their bodies.
DEFENSESDEFENSES
ExplainExplain
What are some other adaptations of animals? Pages 106/107What are some other adaptations of animals? Pages 106/107
Locomotion Locomotion is the movement from place to place. Animals is the movement from place to place. Animals have different adaptations for movement. Whales have have different adaptations for movement. Whales have
fins. Insects have wings. Birds have hollow bones so that fins. Insects have wings. Birds have hollow bones so that
they are lighter and aids in flight.they are lighter and aids in flight.
LOCOMOTIONLOCOMOTION
ExplainExplain
What are some other adaptations of animals? Pages 106/107What are some other adaptations of animals? Pages 106/107
USE THE VISUALSUSE THE VISUALSStudy the photos on 106/107. Study the photos on 106/107.
• Which animals are using camouflage?Which animals are using camouflage?
•How does a hedgehog protect itself from How does a hedgehog protect itself from predators?predators?
•Why would an animal not bother a hover fly?Why would an animal not bother a hover fly?
•What else appears to be in the dormouse’s What else appears to be in the dormouse’s nest?nest?
EvaluateEvaluateWhat are some other adaptations of animals? Pages 106/107What are some other adaptations of animals? Pages 106/107
Quick CheckQuick Check
1.1. PredictPredictWould you find an animal that hibernates in a tropical rain forest? Why or why not?
2.2. Critical ThinkingCritical ThinkingWhy do you think most poisonous animals do not have camouflage?
No, most animals hibernate No, most animals hibernate to avoid the cold.to avoid the cold.
Poisonous animals usually do Poisonous animals usually do not need to hide because not need to hide because predators avoid attacking predators avoid attacking them.them.
EvaluateEvaluate
What are some other adaptations of animals? Pages 106/107What are some other adaptations of animals? Pages 106/107
What is the What is the Main IdeaMain Idea of this of this selection?selection?Think about these questions while Think about these questions while
you formulate you formulate the the main idea.main idea.
1.1. In what ways does camouflage In what ways does camouflage and other adaptations help and other adaptations help animals survive?animals survive?
Lesson 1 Animated Review Lesson 1 Animated Review
Grade 4 - e-ReviewGrade 4 - e-Review
Adaptations Song - Adaptations Song - YouTubeYouTube
