Genetics and Evolution

Primates

In the taxonomic classification of the animal world, the class mammalian of the phylum vertebrate contains animals that have evolved features that are more sophisticated than those of their ancestors. The class Mammalia has been subdivided into 19 subtaxa, which are together referred to as orders. Primates are an order of mammals that comprises eutherian […]

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Biology, Class 12, Evolution: Origin of life, Darwin’s theory, adaptive radiation, Genetics and Evolution, NEET

What is a living thing

What is living is a question that is the overarching topic at the start of the whole study of the living world. Since the beginning, ancient philosophers were fascinated by the way living things existed and functioned. They tried to study the characteristics of life and what constituted this state of existence. That is how

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Biology, Class 12, Evolution: Origin of life, Darwin’s theory, adaptive radiation, Genetics and Evolution, NEET

Variety in Characteristics

Populations can adapt to changing surroundings thanks to genetic variety. With more variation, it’s more possible that certain people in a group will have alleles that are better suited to their surroundings. Those people are more likely to live long enough to have offspring with that allele. Because of their success, the population will continue

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Biology, Class 12, Evolution: Origin of life, Darwin’s theory, adaptive radiation, Genetics and Evolution, NEET

Short Notes on the Organic Evolution

The fundamental property of living things is the ability to reproduce. It is only via good coordination and adaptability to the changing environment that entities in the process of reproduction may continue to exist and reproduce. Changes must be tolerated and appropriately adapted in order to keep the ecosystem in equilibrium. Changes in the structural

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Biology, Class 12, Evolution: Origin of life, Darwin’s theory, adaptive radiation, Genetics and Evolution, NEET

Scientific name of monkey

The scientific name of the monkey is Cercopithecidae. The term “monkey” can refer to any of the mammals in the infraorder Simiiformes, also known as the simians. Traditionally, all animals in the group now known as simians are counted as monkeys except apes, a paraphyletic grouping; however, in a broader sense based on cladistics, apes

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Biology, Class 12, Evolution: Origin of life, Darwin’s theory, adaptive radiation, Genetics and Evolution, NEET

Evidences for Evolution

In biology, evolution serves as a unifying concept. Extensive research supports the theory of evolution. Biologists can discern the imprint of past and current development at every level of a biological system’s structure. What, therefore, are the physical characteristics that, when seen through the prism of evolution? Is there any evidence that evolution has taken

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PROCESS OF EVOLUTION

Evolution is the process through which modern species have descended from their predecessors, with changes in their allele frequencies, and is referred to as the descent with modification of allele frequencies. The process of evolution provides an explanation for how the world came into existence. It has resulted in an increase in biodiversity. The Big

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living organisms classification

A wide variety of living organisms can be found throughout the universe. However, studying such a large and complex living world with such a wide range of species is a large and difficult task that is as interesting as it is challenging. For a proper scientific understanding of their differences and similarities, as well as

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Biology, Class 12, Evolution: Origin of life, Darwin’s theory, adaptive radiation, Genetics and Evolution, NEET

LEOPARD AND CHEETAH

INTRODUCTION The leopard or scientifically Panthera Pardus is one of the five surviving classes belonging to the genus Panthera, a participant of the cat family, Felidae. It exists in an extensive area in sub-Saharan Africa, in some regions of Western and Central Asia, Southern Russia, and on the Indian subcontinent to Southeastern and Eastern Asia. It is registered as ‘Vulnerable’ as per the IUCN Red List since populations of leopards are endangered by habitat loss and destruction, and are

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Biology, Class 12, Evolution: Origin of life, Darwin’s theory, adaptive radiation, Genetics and Evolution, NEET

Lamarckism

Lamarckism is a hypothesis of evolution based on the notion that physical changes in organisms during their lifetime, such as increased development of an organ or a portion as a result of increasing use, can be passed down to their offspring. The idea, developed in 1809 by the French naturalist Jean-Baptiste Lamarck, impacted evolutionary thought

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Biology, Class 12, Evolution: Origin of life, Darwin’s theory, adaptive radiation, Genetics and Evolution, NEET