The document classifies animals into two main groups: vertebrates and invertebrates. Vertebrates, which make up a small portion, have backbones and are further divided into five classes - fishes, amphibians, reptiles, birds, and mammals. Each class has distinguishing characteristics, such as fishes having scales and gills, amphibians living partly on land and in water, and mammals having hair and mammary glands. Invertebrates, which comprise 90% of species, lack backbones.
In this PPT we have given animal classification. vertebrates and invertebrates. We have also given definition of different types of animals and supporting pictures. Standard 1 children can see this PPT for their NSO preparation.
In this PPT we have given animal classification. vertebrates and invertebrates. We have also given definition of different types of animals and supporting pictures. Standard 1 children can see this PPT for their NSO preparation.
Esta presentación ha sido elaborada para alumnos de 5º de Educación Primaria, en el área de Ciencias de la Naturaleza (Science). Con ella, podrán conocer los diferentes tipos de vertebrados que existen y poder estudiarlos de una forma motivadora y sintetizada.
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For more information, visit-www.vavaclasses.com
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He discussed the concept of quality improvement, emphasizing its applicability to various aspects of life, including personal, project, and program improvements. He defined quality as doing the right thing at the right time in the right way to achieve the best possible results and discussed the concept of the "gap" between what we know and what we do, and how this gap represents the areas we need to improve. He explained the scientific approach to quality improvement, which involves systematic performance analysis, testing and learning, and implementing change ideas. He also highlighted the importance of client focus and a team approach to quality improvement.
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The Roman Empire, a vast and enduring power, stands as one of history's most remarkable civilizations, leaving an indelible imprint on the world. It emerged from the Roman Republic, transitioning into an imperial powerhouse under the leadership of Augustus Caesar in 27 BCE. This transformation marked the beginning of an era defined by unprecedented territorial expansion, architectural marvels, and profound cultural influence.
The empire's roots lie in the city of Rome, founded, according to legend, by Romulus in 753 BCE. Over centuries, Rome evolved from a small settlement to a formidable republic, characterized by a complex political system with elected officials and checks on power. However, internal strife, class conflicts, and military ambitions paved the way for the end of the Republic. Julius Caesar’s dictatorship and subsequent assassination in 44 BCE created a power vacuum, leading to a civil war. Octavian, later Augustus, emerged victorious, heralding the Roman Empire’s birth.
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Culturally, the Romans were eclectic, absorbing and adapting elements from the civilizations they encountered, particularly the Greeks. Roman art, literature, and philosophy reflected this synthesis, creating a rich cultural tapestry. Latin, the Roman language, became the lingua franca of the Western world, influencing numerous modern languages.
Roman architecture and engineering achievements were monumental. They perfected the arch, vault, and dome, constructing enduring structures like the Colosseum, Pantheon, and aqueducts. These engineering marvels not only showcased Roman ingenuity but also served practical purposes, from public entertainment to water supply.
3. TWO BIG GROUPS OF ANIMALS
Animals are classified into two big groups
based on similarities in their structure.
The group of animals without backbones
dominates the world. These are called
invertebrates. They make up 90% of all
animal species.
A small portion of the millions of animals
comprise the vertebrate group, those with
backbones.
4.
5. VERTEBRATES
They are further divided into five main
classes. These are:
1. Fishes
2. Amphibians
3. Reptiles
4. Birds
5. Mammals
6. INVERTEBRATES
This big group of invertebrates
is composed of:
Sponges
Coelenterates
Flatworms
Roundworms
Segmented worms
Echinoderms
Mollusks
and the Arthropods.
7. VERTEBRATES ALSO HAVE DIFFERENCES.
The fishes, amphibians, and reptiles are
ectotherms. They are cold-blooded. Their
body temperatures depend on the
temperature of their surroundings. Their
bodies receive heat from the outside.
Birds and mammals are endotherms,
animals with constant internal body
temperatures. They are
warm-blooded animals.
8. VERTEBRATES:
CHARACTERISTICS OF FISHES
They are ectothermic animals. Their
temperature changes when the temperature
of the air or water around them changes.
The bodies are slender enabling the fish to
move easily through water.
Fish have fins used for swimming and
gliding. Fins help them swim, turn, and stop.
9. VERTEBRATES:
FISHES
Hard scales cover their bodies. Fishes have
lateral lines on each side of their bodies
which serve as sensors. Fishes use them to
feel vibrations from the outside environment,
like boats, people, animals, and other things
that may be in the water.
Fishes also have gills for breathing. They
are located on either side of a fish’s head.
10. VERTEBRATES:
AMPHIBIANS
They are cold-blooded.
They spend part of their lives in
water and part on land.
They have slimy and cool skin.
They are four-legged vertebrates.
They depend on water for reproduction.
Their eggs have no shells. They lay eggs in a
pond, swamp, or stream to avoid drying.
Examples are frogs, toads,
salamanders and newts.
11. VERTEBRATES:
REPTILES
They are ectothermic vertebrates.
They have dry, waterproof bodies covered with
scales.
Reptiles produce eggs that have a tough
leathery shell. Fertilization takes place inside
the reptile’s body.
They have a three-chambered heart like the
amphibians.
Examples of reptiles are lizards,
snakes, turtles, tortoises, alligators
and crocodiles.
12. VERTEBRATES:
BIRDS
They have feathers.
They have beaks instead of teeth.
They have wings, though not all can fly.
They have scales on their legs.
The bodies of birds are streamlined to facilitate
flight. They have lightweight bones.
Most birds build nests on branches of trees, in a
hole, or in a trunk or in a small hole in the
ground.
Birds lay eggs with hard shells. Most birds sit
on their eggs until they are hatched.
13. VERTEBRATES:
MAMMALS
They are the most complex of all vertebrates.
They have four-chambered heart.
Distinct to them is the presence of hair and mammary
glands. The mammary glands, which produce milk to
feed their young, are active only in females.
They have more developed brains than any other
animals. Humans, however, have the most developed
brains which is why they are referred to as the “thinking
animal”.
They are warm-blooded. They maintain a
constant body temperature.
14. VERTEBRATES:
MAMMALS
Hair or fur keeps the body warm
by preventing loss of heat. In
the absence of hair on mammals, a layer of
fat under the skin keeps the body heat.
They have limbs, which are adapted for
varied movements such as running,
swimming, climbing, flying or gliding and
hopping.
Examples of mammals are: horses, cows,
dogs, cats, lions, tigers, kangaroo.
