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Animal classification

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by

Alex Garcia

on 14 November 2016

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Transcript of Animal classification

THE
ANIMAL KINGDOM

CLASSIFICATION
VERTEBRATES
INVERTEBRATES
Dry scaly skin
Do not breed in water, lay eggs
Lungs to breathe.
Eg: crocodiles, lizards, snakes ,turtles and tortoises
REPTILES
Smooth moist skin
Most live on land and return to water to breed
Have ears
Eg: frogs, toads,salamanders
AMPHIBIANS
VERTEBRATES HAVE A VERTEBRAL COLUMN OR BACKBONE
VERTBRATES
THEIR BODIES ARE DIVIDED INTO THREE PARTS: HEAD,THORAX AND ABDOMEN.
THREE PAIRS OF LEGS
MANY HAVE TWO PAIRS OF WINGS
ONE PAIR OF ANTENNAE
INSECTS
LONG BODIES MADE OF MANY SEGMENTS.
SINGLE PAIR OF ANTENNAE
A FLYING MYRIAPOD IS STILL TO BE SEEN
EXAMPLE: CENTIPEDES AND MILLIPEDES
MYRIAPODS
LARGEST PHYLA IN THE ANIMAL KINGDOM
EACH SPECIES HAS A SEGMENTED BODY,AN EXTERNAL SKELETON AND JOINTED LEGS
ARTHROPODS
State t ways nematodes differ from annelids
State two features shared by both annelids and molluscs
MOLLUSCS HAVE SOFT BODIES THAT ARE NOT SEGMENTED. THET HAVE A MUSCULAR “FOOT” FOR MOVING AND MANY HAVE A SHELL FOR PROTECTION
MOLLUSCS
WUSCHERIA BANACROFTI
THREAD LIKE BODIES, NO OBVIOUS HEAD OR LEGS,BODIES NOT DIVIDED INTO SEGMENTS,USUALLY PARASITIC
NEMATODES
ANIMALS THAT DO NOT HAVE A VERTEBRAL COLUMN ( BACKBONE)
INVERTEBRATES
THE BINOMIAL SYSTEM USES TWO NAMES
THE FIRST NAME REPRESENTS THE GENUS
THE SECOND NAME REPRESENTS THE TRIVIAL NAME
EG Homo sapians, Suricata suricatta (meerkats),
NAMING SPECIES- THE BINOMIAL SYSTEM
WHAT DEFINES A SPECIES
CLASSIFICATION
BODIES DIVIDED INTO TWO PARTS:
FOUR PAIRS OF LEGS,
NO WINGS, NO ANTENNAE
EXAMPLES: SPIDER AND SCORPIONS
ARACHNIDS
WORMS WITH SOFT BODIES DIVIDED INTO SEGMENTS,SOME HAVE BRISTLES FOR MAKING CONTACT WITH THE SOIL. MANY SPECIES OF ANNELIDS LIVE IN WATER
Eg earthworms
ANNELIDS
Feathers
Front limbs are modified as wings
No teeth, instead they have beaks
Lay eggs protected by hard shells
Homothermic – warm blooded
BIRDS
Skin is covered in scales
Streamlined with fins for swimming and balance
Breathe dissolved oxygen using gills
No ears
FISH
BETWEEN 5 AND 20 PAIRS OF LEGS
TWO PAIRS OF ANTENNAE
NO WINGS
MOST AQUATIC, BUT SOME TERRESTRIAL LIKE WOODLICE
CRUSTACEANS
With a backbone
Without a backbone
ARTHROPODS
WORMS WITH SOFT BODIES DIVIDED INTO SEGMENTS,SOME HAVE BRISTLES FOR MAKING CONTACT WITH THE SOIL. MANY SPECIES OF ANNELIDS LIVE IN WATER
Eg earthworms
ANNELIDS
WUSCHERIA BANACROFTI
THREAD LIKE BODIES, NO OBVIOUS HEAD OR LEGS,BODIES NOT DIVIDED INTO SEGMENTS,USUALLY PARASITIC
NEMATODES
ANIMALS THAT DO NOT HAVE A VERTEBRAL COLUMN ( BACKBONE)
INVERTEBRATES
A SPECIES IS A GROUP OF INDIVIDUALS, LIVING IN THE SAME HABITAT THAT BREED TOGETHER TO FORM FERTILE YOUNG.
WHAT DEFINES A SPECIES
EACH KINGDOM IS FURTHER GROUPED INTO PHYLA AND EVENTUALLY INTO THE SMALLEST GROUP
SPECIES
MOLLUSCS HAVE SOFT BODIES THAT ARE NOT SEGMENTED. THET HAVE A MUSCULAR “FOOT” FOR MOVING AND MANY HAVE A SHELL FOR PROTECTION
MOLLUSCS
THE BINOMIAL SYSTEM USES TWO NAMES
THE FIRST NAME REPRESENTS THE GENUS
THE SECOND NAME REPRESENTS THE TRIVIAL NAME
EG Homo sapians, Suricata suricatta (meerkats),
NAMING SPECIES- THE BINOMIAL SYSTEM
PROTOCTISIS
PROKARYOTES
BACTERIA
FUNGI
PLANTS
ANIMALS
Organisms are classified into groups depending on similarities.
Kingdoms are the biggest groups and there are five:
CLASSIFICATION
Have hair or fur
Fertilisation and development are internal
Young suckle on their mothers mammary glands
Use lungs for breathing
Homeothermic like birds.
Eg: bats , dolphins, monkeys, bears
MAMMALS
Most live in soils and water, some are parasites
No obvious head and no legs
Usually white, long and thin.
Nematodes (roundworms)
Examples: earthworms, leeches
They have no legs. Instead they have have bristels
called chaetea.
Worms with bodies made up of segments
Annelids
Examples: snails, slugs, mussels, clams, octopus, squid
Most have a shell for protection.
They have a muscular foot for movement, no legs
Soft body that is not divided in segments
Molluscs
Skin is covered in wet scales. Cold blooded
Streamlined with fins for swimming and balance
Breathe dissolved oxygen using gills
External fertilization and development
No ears (but have a special organ to detect changes of pressure in water)
FISH
Cold blooded. Smooth moist skin
Most live on land and return to water to breed
External fertilization and development
Tadpoles breathe using gills. On land, adults breath using lugs and in water though their skin.
Eg: frogs, toads,salamanders
AMPHIBIANS
Dry scaly skin. Cold blooded, as they cannot regulate their body temperature.
Do not breed in water, lay waterproof eggs undergound or nests
Internal fertilization and external development.
Lungs to breathe.
Eg: crocodiles, lizards, snakes ,turtles and tortoises
REPTILES
Feathers
Front limbs are modified as wings
No teeth, instead they have beaks
Lay eggs protected by hard shells
Internal fertilisation and external development
Homothermic – warm blooded
BIRDS
Arachnids
Insects
Crustaceans
Myriapods
Mammals
Amphibians
Fish
Reptiles
Birds
Arthropods
Annelids
Molluscs
Invertebrates
Vertebrates
(Phylum chordata)
Animalia
Kingdom
Phylum
Class
Arthro=joint, pod=leg
They all have:
jointed legs
an external skeleton (exoskeleton)
a segmented body
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