That snout! What an adaptation!...environment. (such as on Ossabaw Island!) An adaptation is a...
Transcript of That snout! What an adaptation!...environment. (such as on Ossabaw Island!) An adaptation is a...
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That snout!
What an
adaptation!
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This Ossabaw Island sow uses her snout to sniff and locate roots and tubers, that she then digs up with her strong, shovel-like snout.
Why is her snout an adaptation?
Imagine how she sounds, snorting and grunting as she searches.
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Adaptations are
unique body
structures
(such as a snout)
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Adaptations are
unique body structures
or behaviors
(such as digging with a snout)
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Adaptations are unique body
structures or behaviors
that help an animal to survive
and reproduce in a specific
environment.
(such as on Ossabaw Island!)
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An adaptation is a special body shape, or
something special an animal can do
that helps them live longer in a certain place
so they can make more babies.
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Can you find the adaptation?Hint: Think unique body structure
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The Hoof:
Hooves come in a
variety of shapes for
different environments.
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Cloven hooves
Cloven hooves
appear divided
into two or
more parts.
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A cloven hoof helps goats
and sheep to walk and
keep their balance
on uneven ground
such as rocky hillsides.
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By climbing
high into the
hills, they can
escape predators
and find food
that others
cannot reach.
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There are also wild mammals
with cloven hooves.
Can you think of some examples?
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Wild North American
ungulates
with cloven hooves include
deer, elk, moose, bighorn
sheep, pronghorn, and bison.
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Psst:
All mammals with hooves
are called Ungulates.
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Do pigs
have
hooves?
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Yes!
cloven (divided)
into four parts.
The upper hind toes prevent them from sinking into muddy ground.
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Cattle hooves are also
divided into four parts.
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Healthy, hardy hooves help!
Cattle hooves help
them maneuver
in wet, muddy
areas.
Healthy hooves are
important to
survival.
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Goats, sheep, cattle and pigs
all have cloven hooves.
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Not all hooves are cloven.
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Horses, Mules and Donkeys are all
ungulates with a solid hoof.
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The solid
hoof is
built for
speed
when
crossing
wide
open
places.
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When horses sense
danger,
they use their hooves
for flight.
When defending the
herd, a horse will use
hooves for
fighting.
Survival strategies
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Why are hooves an adaptation?
Hooves are adaptations because hooves are a unique body structure
that help an animal to survive and reproduce
in a specific environment.
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Summary
Hooves help these
animals escape
danger, protect
themselves and find
food in regions where
other animals cannot.
Hooves help these
animals to survive and
reproduce.
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Adaptations are
unique body structures
or behaviors
that help an animal to
survive and reproduce
in a specific environment.
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Horns - what a great idea!
• Horns help a goat pull weeds for eating. And, as we know, eating is rather important to survival!
• Bucks sometimes use their horns to play, or to perform for a doe at breeding time. Breeding is the key to reproduction.
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Thick wool coat
for cold climates
proves useful!
This Cotswold ewe has
ancestors in the English
hill country of the
Cotswolds where it is
chilly and wet much of the
year.
A thick wool coat keeps her
(and those of her breed)
warm and protected.
In warmer climates, her wool
is shorn short for her
comfort.
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Pilgrim Geese: The male is white and the female is grey. Why?
Is that an adaptation? Why would it be a desired trait on farm?
• Who wants to show off and attract a mate? (The male!)
• Who wants to hide while sitting on eggs? (The female!)
• Who wants to know if a goose is male or female? (The farmer!)
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Behavioral adaptation
An adaptation
can be a
specific body
structure or a
behavior.
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Gulf coast native sheep have not been
domesticated for very long. They are very
flighty and leapy. They are alert to
predators and constantly on the look out.
behavioral adaptation, or
survival trait.
Behavioral adaptation
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Fat and happy in the hills
The flighty sheep
breeds are less likely
to be eaten by a
predator than a
Cotswold or a Dorset.
These breeds of sheep
take longer to
recognize danger.
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Human decisions determine
success for domestic livestock
This Milking Devon cow can pull a cart or plow, produce enough milk for a family and be used for meat. She is small and therefore doesn’t need much space.
Her multi-purpose nature made her the perfect family cow for generations.
Usefulness to humans is an adaptation of domestic
animals. If humans value them they will survive.
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At one time, the Milking
Devon’s combination of
traits increased this
breed’s chances of
reproduction and
survival.
Farmers would breed the
Milking Devon cow for
more of her kind.
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Traits no longer an adaptation
Today, the Milking Devon’s qualities are less valued.
Farmers breed for milk or meat, but not both at once.
Traits that once were regarded as useful no longer help this breed to survive and reproduce.
As a result of losing usefulness, this breed is now endangered.
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Domestic Livestock:
desirable and helpful
• Nature selects for specific traits that help the
animal to survive and thrive in a certain
location.
• Humans select for specific traits because
they are desirable and/or helpful to humans.
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Adaptations are
unique body structures or behaviors
that help an animal to survive and
reproduce
in a specific environment
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For domestic livestock,
this environment is the farm!
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CreditsIn order of appearance:
Ossabaw Island sow, Historic Brattlesville, SC
Angora Goat and lamb: Dew Dance Farm, Sanford, N.C. Owner: Laura Young
Cotswold sheep: Historic Brattlesville, SC and Latta Plantation, Charlotte, NC
Nigerian Dwarf Does: Tranquility Acres, Mebane, N.C. Owner: Sharon Rupp
Pigs Woodcrest Farm, Chapel Hill, N.C. Owners: Chris and Allen Green
Milking Devon cow: Latta Plantation, Charlotte, N.C.
Halflinger ponies Chapel Hill, N.C. Owners: Chris and Allen Green
Morgan horse hooves: Latta Plantation, Charlotte, N.C.
Horse head (mix breed): Dew Dance Farm, Sanford, N.C. Owner: Laura Young
Clydesdales: Victoria Horse Show, British Columbia
Nigerian Dwarf Buck: Tranquility Acres, Mebane, N.C. Owner: Sharon Rupp
All photos by Cecelia Carver King