ADAPTATIONS. STRUCTURAL ADAPTATIONS “Flying Squirrel” Skin forms “wings” Allows animal to...
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Transcript of ADAPTATIONS. STRUCTURAL ADAPTATIONS “Flying Squirrel” Skin forms “wings” Allows animal to...
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ADAPTATIONS
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STRUCTURAL ADAPTATIONS
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• “Flying Squirrel”
• Skin forms “wings”
• Allows animal to glide through air
• Animal can leap from tree to tree or to ground quickly– Avoid predators
– Increasing safety decreases risk of injury
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• “Indian Blanket”• Bright color toward
center• Attracts insects• Promotes pollination• Increasing
reproduction chances
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PHYSIOLOGICAL ADAPTATIONS
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• “Flat Rock Scorpions”• Produce a poison• Protection from
predators
Additional Adaptations• Very flat – fit into
rock crevices• Active alte in day
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• “Camel”• Fat stores in hump• Body will slowly
metabolize (burn) for energy when food is not available
Additional Adaptations• Double set of eyelashes• Air tight closure of
nostrils• Football shaped blood
cells
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BEHAVORIAL ADAPTATIONS
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• Lions• Hunt in groups• Increase chance of
success• Reduce amount of
energy spent by an individual while hunting
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• “Tortoise”• Resting in a hallow
tree• Provides shelter• Protection from
predators• Protection from the
elements – weather, sun
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Now Its Your Turn
•Indicate what type of adaptation is demonstrated by organisms in the following slides
•Explain the benefit or advantage it provides the organism
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Jack Rabbit
• Structural– Large ears
• Helps maintain body temperature by allowing blood to be cooled
• Intensify sound to better hear predators
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Dandelion Seeds
• Physiological– Produces large number of seeds
• Increases the number of offspring– Increases the species chance of survival
• Structural– Allows seeds to be dispersed (spread out) easily
by the wind• Decreases competition in one area by spreading out
the population
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Meerkats• Behavioral
– Live in large groups (colonies)– Have members on guard duty– All members help raise the offspring– Hunt in groups and teach youngsters how to
find food• All help reduce risk of predators and competitors
• Increases chances of survival
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Bird Skulls with Bills
• Structural– Designed to allow the birds access to a
particular type of food• Decreases competition for resources
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Lockwood Alligator
• Behavioral– Remains motionless with mouth open
• Helps to cool its body and regulate its body temperature
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Venus Fly Traps
• Physiological– Obtains necessary nitrogen from insects,
instead of the soil• Can live in nitrogen poor soils
– Produces enzymes to digest insects slowly
• Structural– Sensitive “trigger hairs”
• Rapidly snap shut to capture prey
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King Vulture• Physiological
– Larger olfactory nerve (smell) then any other bird
• Can smell food easier, makes food easier to find
• Structural– No feathers on head
• To avoid blood from carrion (food) sticking to head
– Shape of beak and talons (claws)• Tear off pieces of carrion
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Olympic Runner
• Behavioral– Training and Nutrition routines
• Physiological– Release of adrenalin a hormone in the body
• Increases heart rate, blood flow to the muscles and lungs, blood pressure, alertness
– Sweating to help maintain body temperature• Cools the body