Chapter 2 Animals Where they live and How they get food

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Transcript of Chapter 2 Animals Where they live and How they get food

  • 1. Chapter 2 AnimalsChapter 2 Animals Lesson 1 How are Babies like theirLesson 1 How are Babies like their Parents?Parents? Pgs. A 32-A35Pgs. A 32-A35

2. Parents and BabiesParents and Babies Has anyone ever said you look likeHas anyone ever said you look like your parents?your parents? In animal life cycles, a baby is born,In animal life cycles, a baby is born, then grows and has babies of itsthen grows and has babies of its own.own. Animals go through different stagesAnimals go through different stages (see bird)(see bird) 3. Parents/ BabiesParents/ Babies Some animals look like their parentsSome animals look like their parents (Can you think of some examples?)(Can you think of some examples?) Which animals look very differentWhich animals look very different from their parents?from their parents? Every animal has a special way ofEvery animal has a special way of living, growing and reproducing!living, growing and reproducing! 4. Classifying AnimalsClassifying Animals Scientists classify animals by the wayScientists classify animals by the way they look and how they livethey look and how they live Lets make a chart of places weveLets make a chart of places weve seen animals grow!seen animals grow! 5. Growing from EggsGrowing from Eggs Each animal has a life cycleEach animal has a life cycle The FIRST STAGE IS ALWAYS THEThe FIRST STAGE IS ALWAYS THE EGG!EGG! TheThe eggegg protects an embryo andprotects an embryo and makes food for it.makes food for it. AnAn embryoembryo is a developing animalis a developing animal 6. EggsEggs Different kinds of animals make differentDifferent kinds of animals make different numbers of eggs!numbers of eggs! Have you ever seen an egg before? WhereHave you ever seen an egg before? Where at?at? Birds and mammals make fewer eggs andBirds and mammals make fewer eggs and often care for and feed their babies untiloften care for and feed their babies until they grow big enough to be on their own!they grow big enough to be on their own! 7. Types of Egg ShellsTypes of Egg Shells Some shells have hard shells! CanSome shells have hard shells! Can you think of an animal?you think of an animal? Some animals have soft jelly-likeSome animals have soft jelly-like eggs? Which animals have these?eggs? Which animals have these? Dog and cat babies develop insideDog and cat babies develop inside their mothers bodiestheir mothers bodies 8. Lesson 2 Spiders & Insects!!Lesson 2 Spiders & Insects!! Can we think of any differencesCan we think of any differences between spiders and insects?between spiders and insects? Both have a life cycle, a backboneBoth have a life cycle, a backbone and hard coverings outside theirand hard coverings outside their bodybody 9. SpidersSpiders Spiders = ArachnidsSpiders = Arachnids Spiders have 8 legs and 2 main body partsSpiders have 8 legs and 2 main body parts Spiders do NOT have wingsSpiders do NOT have wings Spiders spin strong webs with sticky silk to trap their preySpiders spin strong webs with sticky silk to trap their prey Spider mothers make silk sacs to store their tiny eggs! SeeSpider mothers make silk sacs to store their tiny eggs! See picture on pgs. A36picture on pgs. A36 They look the same as their parents when theyre born!They look the same as their parents when theyre born! 10. InsectsInsects Insects have 6 legs and 3 main bodyInsects have 6 legs and 3 main body partsparts Many have wings to fly!Many have wings to fly! They are the LARGEST group ofThey are the LARGEST group of animals!animals! 11. Insect Life CycleInsect Life Cycle Most insects lay eggs, but some doMost insects lay eggs, but some do notnot They lay their eggs in a clump or justThey lay their eggs in a clump or just one single eggone single egg Most have a three-stage life cycleMost have a three-stage life cycle (Can you point to one?)(Can you point to one?) 12. Insect Life CycleInsect Life Cycle 1. Egg1. Egg 2. Nymph- the stage between egg2. Nymph- the stage between egg and adult that looks like an adult butand adult that looks like an adult but has no wingshas no wings 3. Adult Stage3. Adult Stage 13. Four Stage Life CyclesFour Stage Life Cycles Butterflies, ants, moths and bees!Butterflies, ants, moths and bees! 1. Egg1. Egg 2. Larva or Caterpillar *different shape*2. Larva or Caterpillar *different shape* 3. Pupa3. Pupa 4. Butterfly or Adult4. Butterfly or Adult See pg. A39!See pg. A39! 14. Lesson 3 Fishes, Frogs andLesson 3 Fishes, Frogs and MammalsMammals Fishes AND Frogs have a BACKBONE!Fishes AND Frogs have a BACKBONE! What is the job of your backbone?What is the job of your backbone? They lay their soft eggs in waterThey lay their soft eggs in water Oxygen passes through the shellsOxygen passes through the shells 15. AmphibiansAmphibians They live part of their life on landThey live part of their life on land and in waterand in water Fish use gills to breathe in oxygenFish use gills to breathe in oxygen Tadpoles use gills until they growTadpoles use gills until they grow into frogs. Then they use Lungs!into frogs. Then they use Lungs! 16. Life Cycle of a FrogLife Cycle of a Frog 1. Egg1. Egg 2. Tadpole2. Tadpole 3. Older Tadpole3. Older Tadpole 4. Adult Frog4. Adult Frog 17. MammalsMammals A Mammal is an animal that has aA Mammal is an animal that has a backbone and furbackbone and fur Hair keeps the animal warmHair keeps the animal warm Whiskers help the animal move around orWhiskers help the animal move around or feel thingsfeel things They get their oxygen from their lungs!They get their oxygen from their lungs! 18. MammalsMammals Some animals that have to come up out ofSome animals that have to come up out of the water to get their oxygen arethe water to get their oxygen are __________.__________. Only mammals make milk for their babiesOnly mammals make milk for their babies Most babies stay with their parents areMost babies stay with their parents are taught how to get food and be safe.taught how to get food and be safe. 19. Life Cycle of a MammalLife Cycle of a Mammal 1. Embryo1. Embryo 2. Babies2. Babies 3. Young Adults3. Young Adults 4. Adult4. Adult 20. Lesson 4Lesson 4 How Do Babies Learn?How Do Babies Learn? What are some ways that you thinkWhat are some ways that you think babies learn?babies learn? 21. Some Animals KnowSome Animals Know Some Animals know how to doSome Animals know how to do things right when theyre bornthings right when theyre born Puppies get milk, chicks can peck,Puppies get milk, chicks can peck, caterpillars eat leaves, kangarooscaterpillars eat leaves, kangaroos can crawlcan crawl They useThey use instinctsinstincts without learningwithout learning 22. InstinctsInstincts Birds know how to build nests (seeBirds know how to build nests (see pictures)pictures) Bees, ants and insects all make nestsBees, ants and insects all make nests for their babiesfor their babies Monarch butterflies travel greatMonarch butterflies travel great distances and spiders build the samedistances and spiders build the same kinds of webskinds of webs 23. Ways that Animals LearnWays that Animals Learn Animals have to learn:Animals have to learn: 1. How to get food!1. How to get food! 2. how to take care of themselves2. how to take care of themselves Animals learn by:Animals learn by: 2. watching their parents2. watching their parents 2. learn from other adults2. learn from other adults 24. Animals learn from each otherAnimals learn from each other Animals, like chimps, learn fromAnimals, like chimps, learn from each othereach other Animals learn by making mistakesAnimals learn by making mistakes and practicing! ( If a bird falls, heand practicing! ( If a bird falls, he tries to fly again!)tries to fly again!)