Mammals are warm-blooded vertebrate animals that have hair, mammary glands to feed their young, and a four-chambered heart. There are over 4000 mammal species that are classified into three main groups: monotremes, marsupials, and placentals. Monotremes lay eggs while marsupials give birth to tiny young that crawl into their mother's pouch. Placental mammals carry their young to full development within the uterus. Some key mammalian characteristics include hair, well-developed brains, teeth adapted for chewing, and a diaphragm that aids breathing.
The mammals are the dominant animals of the world.
The name of the group coined by Linnaeus in 1758, refers to the milk producing mammary glands or breast of the mother for suckling the young.
They live wherever life is possible.
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.
The mammals are the dominant animals of the world.
The name of the group coined by Linnaeus in 1758, refers to the milk producing mammary glands or breast of the mother for suckling the young.
They live wherever life is possible.
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.
EVS, Environmental Science, Birds
Birds Features
Body
Wings
Beak
Feet
Different Types Sound they make
Migratory Birds
Birds's Nests
Class III, Class 3, CBSE
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The Indian economy is classified into different sectors to simplify the analysis and understanding of economic activities. For Class 10, it's essential to grasp the sectors of the Indian economy, understand their characteristics, and recognize their importance. This guide will provide detailed notes on the Sectors of the Indian Economy Class 10, using specific long-tail keywords to enhance comprehension.
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4. CHARACTERISTICS
Mammals have
1. hair
2. Well-developed brains
3. Mammalian heart has
chambers
4. Mammals have a
muscle, the diaphragm
that aids in breathing
4
6. CHARACTERISTICS
Most species are viviparous, in which
females carry their young until full
development
Female secrete milk from mammary glands
to feed newborn young.
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8. MONOTREMES
Monotremes are oviparous = reproduce by
laying eggs
Eggs hatch quickly, and the mother stays
with and nurses the young for several
months
There are only two alive today:
Examples: Duck-billed Platypus, Echidna.
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9. MARSUPIALS
Marsupials give birth to tiny immature young
that crawl to a pouch on the mothers belly
immediately after they are born.
Examples: Kangaroo, Koala.
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10. PLACENTALS
Placental mammals carry unborn young in the
uterus until young can survive in the wild.
Oxygen and nutrients are transferred from
mother’s blood to baby’s blood.
. Examples: Giraffe, Elephant, Bat, etc.
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11. The first mammals appeared approximately 200 million years
ago during the Jurassic Period.
Many mammals spend their childhood running, jumping, and
playing but giraffes protect themselves by being big, so
their goal is to grow as large as they can, as fast as they can.
Bats hang upside-down because they can't stand right-side
up. Their leg bones are too thin to hold up their bodies
Hooded Seals go from infancy to childhood to adolescence to
adulthood in just four days - the shortest childhood of any
mammal
The Largest mammal: blue whale
The Smallest Mammal: bumblebee bat
SOME INTERESTING FACTS ABOUT MAMMALS
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