Download - Animal adoptation by ASIF KANTH
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TOPIC:- ANIMAL ADAPTATIONSPRESENTED
BYMOHD ASIF KANTH
M.SC ZOOLOGY
BARKATULLAH UNIVERSITY (BHOPAL)
DEPTT. OF ZOOLOGY AND APPLIED AQUACULTURE
Email - [email protected] +919018533143 / +919697167585
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Animal Adaptations
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IntroductionDefinition
Adaptation in different animalsAdaptation in Amphibians, Reptiles, Birds and Mammals.
Conclusion
SYNOPSIS
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Adaptation: a structure or behavior that helps a living thing live in its surroundings.
Adapted: made fit to live under certain conditions.Protective colorations: colors or patterns on an animal that help keep the animal from being seen by predators.Migration: movement from one place to another when
the seasons change.Hibernate: to spend the winter in a state in which the
body greatly slows down.Nitrogen: a material that plants need to grow.
Annual: a plant that lives only one year.Evergreen: a plant that stays green all year, including
firs, spruces, and pines.Perennial: a plant that can live two years or more.
Vocabulary
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An adaptation is a change in an animal’s physical structure or behavior that helps an
animal to survive in their habitat. Examples: The shape of a bird’s beak, number of fingers and toes, or the color of an animal’s fur.
Physical adaptations do not develop during one lifetime, but over many generations.
What is an
adaptation?
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Example of Adaptation
The shape of an animal’s teeth is related
to its diet. Herbivores, such as deer,
have many molars for chewing tough grass and
plants.Carnivores, such as lions, have sharp canines to kill
and tear meat.
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All species have experienced adaptation and will continue to slowly adapt as the next
generations are born. We will identify certain species from each of
these groups and the reasons for their success:Amphibians Reptiles
BirdsMammals
Who experiences adaptations?
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Amphibians
EctothermicLay eggs in waterPartially of fully
webbed feetHave lungs or can
absorb oxygen through their skin
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Reptiles
Ectothermic or cold- blooded
ScalesSome undergo hibernation and
estivationLay eggs on landLeg structure and
position
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Birds
Leg Length Roseate Spoonbill
(top right)Foot Webbing
Laughing Gull (top left)
Beak ShapeLong Billed Curlew
(bottom)
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Mammals
Endothermic or warm-blooded
All have some type of “hair”
Some are very specialized, such as white polar bear fur
Method of locomotionCare for young
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Animal Defense
Some animals use these methods of defense to protect themselves:Camouflage
SnakeMimicry
Mexican Milk SnakeBright colors
Skunk and Poison Arrow Frog“Hair” projections
Hedgehog quillsDeer Antlers
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Why are the eyes of a lion set in front of the head rather than on the sides?
Answer: Eyes in front of the head allow for depth perception and ability to judge distances when hunting.
Adaptation Applications: Lions
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What is the purpose of the mane on a male lion? What is the reason for the lion’s color?
A thick mane helps the male to appear larger and serves as protection for the throat. The tawny brown coat color
camouflages the animal and young among vegetation.
Adaptation Applications: Lions
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Why are giraffes able to go for long periods of time without water?
Answer: Giraffes drink water when available, but can go weeks without it. They rely on morning dew and the water content of
their food.
Adaptation Applications: Giraffe
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How are their long necks adapted to their lifestyle?
Answer: This extra length is thought to have evolved to help the giraffe spot predators and other giraffes in the distance. Interestingly, giraffes and humans have the same number of
vertebrae in their necks.
Adaptation Applications: Giraffe
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How do zebras defend themselves?
Capable of running up to 40 mph. Zebras defend themselves by kicking and biting. Coloration also plays a role in evading
predators, although theories have not reached an agreement.
Adaptation Applications: Zebras
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This is a very special kind of deep sleep
It is brought on by short day lengths, cold
temperatures and food shortages
It is a survival strategyDropping into a deep
hibernation means animals are using less energy
Food is scarceAnimals miss the cold
seasons
What is hibernation?
Why do animals hibernate?
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They try to put on as much fat as possible because they wont be eating much during the winter
This is called brown fat, which is found across the back and shoulders, close to an animal’s organs
Brown fat works hard to deliver quick energy to an animal coming out of hibernation
How do animals prepare for hibernation?
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On the whole we can conclude that adaptations are the sum of various physiological or structural modifications that take place in a part or
whole body of an organism so that they can accommodate themselves according to their external environment.
CONCLUSION
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Bearhedgehog
LadybirdSnake
SquirrelsBats
Can you think of any animals that hibernate?
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