Carnivorous Planys

2. Insectivorous PlantsInsectivorous Plants
 Present ToPresent To
Mam SunainaMam Sunaina
Present ByPresent By
M Nadeem AkramM Nadeem Akram
Roll No . 21Roll No . 21
B.S Botany 6B.S Botany 6thth
RegReg

4. Carnivorous PlantsCarnivorous Plants
 Carnivorous PlantsCarnivorous Plants
If an animal eats a plant, it is If an animal eats a plant, it is
of no particular interest; butof no particular interest; but
when a plant eats an animal,when a plant eats an animal,
that is of interest.that is of interest.
 The fact that there are fewThe fact that there are few
flesh-eating plants make themflesh-eating plants make them
fascinating and interesting tofascinating and interesting to
everyone.everyone.

5. TheThe
Venus FlyVenus Fly
TrapTrap
The Venus Fly TrapThe Venus Fly Trap
is the most wellis the most well
known species ofknown species of
carnivorous plants.carnivorous plants.

6.  These insectivorousThese insectivorous
plants lure their preyplants lure their prey
using a sweet smellingusing a sweet smelling
nectar. When annectar. When an
insect lands on theinsect lands on the
head of the fly trap,head of the fly trap,
they seek the sourcethey seek the source
of the nectar, and ifof the nectar, and if
the plant is lucky, itthe plant is lucky, it
will touch one of thewill touch one of the
many trigger hairsmany trigger hairs
located within thelocated within the
jaws of the trap.jaws of the trap.

7.  OnceOnce
triggered,triggered,
the trapthe trap
snapssnaps
closed,closed,
trappingtrapping
thethe
victim.victim.

8.  The plant thenThe plant then
secretes ansecretes an
enzyme whichenzyme which
essentiallyessentially
'dissolves' the'dissolves' the
insect, turninginsect, turning
it into ait into a
digestibledigestible
dinner.dinner.

9.  After aAfter a
fewfew
days,days,
the flythe fly
trap willtrap will
re-open,re-open,
to awaitto await
it's nextit's next
victim.victim.
YummmYummm
mm!mm!

10. Is this cricket taking a nap????

13. Pitcher Plant or Fly CatcherPitcher Plant or Fly Catcher

14.  The innerThe inner
part ofpart of
thesethese
beautifulbeautiful
pitchers arepitchers are
covered withcovered with
stiff hairsstiff hairs
and areand are
half-filledhalf-filled
with a liquid.with a liquid.

15.  The insects are attracted by the beautiful flowerThe insects are attracted by the beautiful flower
and the sweet fluid. The hairs on the inner surfaceand the sweet fluid. The hairs on the inner surface
of the pitcher allow the insect to travel down but theyof the pitcher allow the insect to travel down but they
prevent its traveling upward and out. prevent its traveling upward and out.

16.  Therefore it continues downward into theTherefore it continues downward into the
fluid where it drowns. The plant absorbsfluid where it drowns. The plant absorbs
the soft parts of the body and thethe soft parts of the body and the
skeleton remains in the bottom of theskeleton remains in the bottom of the

17.  Pitcher plants are often found with many skeletonsPitcher plants are often found with many skeletons
hidden inside.hidden inside.

18. Look inside a pitcher plant!

19. What do you see?

20. These are the parts the
pitcher plant doesn’t eat.

21. Do you recognize any of the parts that are left?

22. Take a look inside of the pitcher plant.

23. Pitcher plants in North America live almost exclusively in
bogs, wet meadows, or pine savannahs, and wetlands.

24. Sun DewSun Dew

25.  Small insects,Small insects,
such as gnatssuch as gnats
are attractedare attracted
by theby the
beautiful dew-beautiful dew-
like substancelike substance
on the leaveson the leaves
of this plant.of this plant.

26.  Once they have come in contactOnce they have come in contact
with this sticky substance,with this sticky substance,
however, they cannot escape.however, they cannot escape.

27.  After a short time the leaf slowlyAfter a short time the leaf slowly
folds, completely encloses the insectfolds, completely encloses the insect
and digests its body.and digests its body.

28. BladderwortBladderwort
 In the springtime the prairies are carpetedIn the springtime the prairies are carpeted
in the yellow flower of the bladderwort.in the yellow flower of the bladderwort.
This plant lives in shallow waters and This plant lives in shallow waters and
swamps of the Southeast.swamps of the Southeast.
 The leaves have small air sacs or bladdersThe leaves have small air sacs or bladders
in which minute water creatures such asin which minute water creatures such as
larvae, nematodes, water fleas, protozoa,larvae, nematodes, water fleas, protozoa,
and small worms are trapped. and small worms are trapped.

29.  Each bladder has a small openingEach bladder has a small opening
through which the tiny animal canthrough which the tiny animal can
enter but cannot escape.enter but cannot escape.

30.  Each bladder has a small opening through whichEach bladder has a small opening through which
the tiny animal can enter but cannot escape.the tiny animal can enter but cannot escape.
 Eventually the trapped organisms die and theirEventually the trapped organisms die and their
bodies decompose forming the nitrogenous foodbodies decompose forming the nitrogenous food
for the bladderwort.for the bladderwort.