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BIODIVERSITY AND EVOLUTION OF PROSTISTA AND ANIMALIA(SBB 3023)
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Local name : Platypus
Scientific name: OrnithorhynchusanatinusKingdom : Animalia
Phylum : Chordata
Class : MammaliaOrder : Monotremata
Family : Ornithorhynchidae
Genus : Ornithorhynchas
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HABITAT and BEHAVIOUR Only in eastern Australia, where they live on the edges of
rivers and freshwater lakes.
Best streams are ones where the banks are strongenough for building their deep burrows, and often thesebanks overhang the river.
During the day, a Platypus often rests in this burrow, but itmay spend some hours near the entrance to the burrow,
basking in the sun and grooming its dense fur.
Most active for several hours after dusk and before dawn.
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DESCRIPTION
Body and the broad, flat tail are covered with densebrown.
Males larger than female. Has webbed feet and large, rubbery snout. Snout is sensory organ with the mouth on the
underside. Average body temperature= 32 3 layer of fur.
The platypus has two ovaries but only onefunctions.. Specifically, the left ovary is thefunctioning ovary
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Male has a sharp, hollow, horny spur on the inside ofboth hind leg ankles that connected with to a venomgland which produce very strong toxin.
Feeds at night with its sensitive, flexible, duck-likesnout, aided by electronic sense.
excellent swimmer-absence of visible ears.
is a carnivore Only the babies.The baby has molars. An adult
platypus has grinding pads in its bill.
. Its fur is thick, it stores fat in its tail, it can speed or
slow its heart rate.a platypus is well-suited to cold-weather living.
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Platypuses locatetheir prey with the
help of electricsignals from their
bodies, with sensorson their bill
Since the femaleplatypus does not
have nipples, itsyoung ones suck
milk from patches onthe on the abdomen
It is more dense thanmost other animals' fur..
A platypus has about 800hairs per square
millimeter, which is morehairs per square
millimeter than the river
otter or polar bear.
A platypus mustconsume at least one
quarter of its bodyweight each day. This
is why; it spendsaround 12 hrs everyday looking for food
When a platypus ison land, it turns backthe webs on its front
feet, in order toreveal broad nails
that help it in walking
A platypus has a flatfurry tail that storesfats for the winterseason. The tail is
also used as a
rudder for steering.
The female platypuslays 1 to 3 eggs,
which she incubatesbetween her
abdomen and tail
A platypus swims with itseyes, ears and nostrils shut.It propels forward with the
help of its forefeet. The hindfeet are used for the purpose
of brakes and steering.
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1. What unusual defense does a maleplatypus have?
2. Which of these traits does theplatypus have in common withbirds?
3. Can a platypus makevocalizations?
4. Can a platypus withstand coldtemperatures?
5. Does a platypus haveteeth?