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BIOLOGY PRESENTATION
EXCRETIONINPLANTSAND
ANIMALS
INTRODUCTION
HI,I am Vasudha of
Darshan Academy and here
I am going to talk about a
very interesting topic of our
daily lives.
BIOLOGY PPT-EXCRETION IN PLANTS AND ANIMALS
• Excretion is the process by which waste products of
metabolism and other non-useful materials are eliminated
from an organism. In vertebrates this is primarily carried out
by the lungs, kidneys and skin. This is in contrast with
secretion, where the substance may have specific tasks after
leaving the cell. Excretion is an essential process in all forms of
life. In humans urine is carried out through the urethra and
that is part of the excretory system.
• In single-celled organisms, waste products are discharged
directly through the surface of the cell.
• Chemical structure of uric acid.
• In animals, the main excretory products are carbon dioxide,
ammonia (in ammoniotelics), urea (in ureotelics), uric acid (in
uricotelics), guanine (in Arachnida) and creatine.
• The excreted material may be called dejecta or ejecta. In
pathology the word ejecta is more commonly used.
BIOLOGY PPT-EXCRETION IN PLANTS AND ANIMALS
BIOLOGY PPT-EXCRETION IN PLANTS AND ANIMALS
PRIOR
INFO..
ABOUT
PLANTS This process is
related to the
releasing of
waste products
in pants
EXCRETION
IN PLANTS
The oxygen
made part of
this process is
called
excretion
IMPORTANT PART
• VACUOLE-
It can be either used for storage of
useful components or the storage of
waste substances
FUNCTIONS…..
• Plant produce a variety of organic and
inorganic wastes substances as by-product
during metabolism activities in a variety of
different ways.
TYPES OF WASTE……
• Plants use different strategies for excretion
like releasing oxygen during photosynthesis.
they also deal with carbon dioxide after the
process . Moreover, they get rid of excess
water by transpiration. They shed the waste
containing leaves. Other waste products are
stored as resins and gums, especially in old
xylem.
BIOLOGY PPT-EXCRETION IN PLANTS AND ANIMALS
BIOLOGY PPT-EXCRETION IN PLANTS AND ANIMALS
• In animals, the main excretory products are carbon
dioxide, ammonia (in ammoniotelics), urea (in
ureotelics), uric acid (in uricotelics), guanine (in
Arachnida) and creatine.
• Aquatic animals usually excrete ammonia directly into
the external environment, as this compound has high
solubility and there is ample water available for dilution.
In terrestrial animals ammonia-like compounds are
converted into other nitrogenous materials as there is
less water in the environment and ammonia itself is
toxic..
Animal excretion
• Birds excrete their nitrogenous wastes as uric acid in
the form of a paste. This is metabolically more
expensive, but allows more efficient water retention
and it can be stored more easily in the egg. Many
avian species, especially seabirds, can also excrete
salt via specialized nasal salt glands, the saline
solution leaving through nostrils in the beak. In
insects, a system involving Malpighian tubules is
utilized to excrete metabolic waste. Metabolic waste
diffuses or is actively transported into the tubule,
which transports the wastes to the intestines. The
metabolic waste is then released from the body
along with fecal matter.
BIOLOGY PPT-EXCRETION IN PLANTS AND ANIMALS
BIOLOGY PPT-EXCRETION IN PLANTS AND ANIMALS
BIOLOGY PPT-EXCRETION IN PLANTS AND ANIMALS
BIOLOGY PPT-EXCRETION IN PLANTS AND ANIMALS
BIOLOGY PPT-EXCRETION IN PLANTS AND ANIMALS
BIOLOGY PPT-EXCRETION IN PLANTS AND ANIMALS
BIOLOGY PPT-EXCRETION IN PLANTS AND ANIMALS
BIOLOGY PPT-EXCRETION IN PLANTS AND ANIMALS
• I WORTHILY THANK MY BIOLOGY TEACHER
MRS. ARADHANA BANSAL MAM TO PROVIDE
ME WITH SUCH AN INTERESTING TOPIC OF MY
DAILY LIVE……
THANKING YOU
VASUDHA
X-B

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BIOLOGY PPT-EXCRETION IN PLANTS AND ANIMALS

  • 2. INTRODUCTION HI,I am Vasudha of Darshan Academy and here I am going to talk about a very interesting topic of our daily lives.
  • 4. • Excretion is the process by which waste products of metabolism and other non-useful materials are eliminated from an organism. In vertebrates this is primarily carried out by the lungs, kidneys and skin. This is in contrast with secretion, where the substance may have specific tasks after leaving the cell. Excretion is an essential process in all forms of life. In humans urine is carried out through the urethra and that is part of the excretory system. • In single-celled organisms, waste products are discharged directly through the surface of the cell. • Chemical structure of uric acid. • In animals, the main excretory products are carbon dioxide, ammonia (in ammoniotelics), urea (in ureotelics), uric acid (in uricotelics), guanine (in Arachnida) and creatine.
  • 5. • The excreted material may be called dejecta or ejecta. In pathology the word ejecta is more commonly used.
  • 8. PRIOR INFO.. ABOUT PLANTS This process is related to the releasing of waste products in pants EXCRETION IN PLANTS The oxygen made part of this process is called excretion
  • 9. IMPORTANT PART • VACUOLE- It can be either used for storage of useful components or the storage of waste substances
  • 10. FUNCTIONS….. • Plant produce a variety of organic and inorganic wastes substances as by-product during metabolism activities in a variety of different ways.
  • 11. TYPES OF WASTE…… • Plants use different strategies for excretion like releasing oxygen during photosynthesis. they also deal with carbon dioxide after the process . Moreover, they get rid of excess water by transpiration. They shed the waste containing leaves. Other waste products are stored as resins and gums, especially in old xylem.
  • 14. • In animals, the main excretory products are carbon dioxide, ammonia (in ammoniotelics), urea (in ureotelics), uric acid (in uricotelics), guanine (in Arachnida) and creatine. • Aquatic animals usually excrete ammonia directly into the external environment, as this compound has high solubility and there is ample water available for dilution. In terrestrial animals ammonia-like compounds are converted into other nitrogenous materials as there is less water in the environment and ammonia itself is toxic.. Animal excretion
  • 15. • Birds excrete their nitrogenous wastes as uric acid in the form of a paste. This is metabolically more expensive, but allows more efficient water retention and it can be stored more easily in the egg. Many avian species, especially seabirds, can also excrete salt via specialized nasal salt glands, the saline solution leaving through nostrils in the beak. In insects, a system involving Malpighian tubules is utilized to excrete metabolic waste. Metabolic waste diffuses or is actively transported into the tubule, which transports the wastes to the intestines. The metabolic waste is then released from the body along with fecal matter.
  • 24. • I WORTHILY THANK MY BIOLOGY TEACHER MRS. ARADHANA BANSAL MAM TO PROVIDE ME WITH SUCH AN INTERESTING TOPIC OF MY DAILY LIVE…… THANKING YOU VASUDHA X-B