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Natural SelectionIt is important to have a fundamental understanding of the mechanism of natural selection to comprehend the origin of whales. The phenomenon of natural selection can alter a specie...

Explain Darwin’s theory of evolution?Organic evolution by Charles Darwin is emphasized as “Descent with modification” stating that the present complexities in animals and plants are as a result of ...

Who proposed the theory of organic evolution?Jean-Baptiste Lamarck in the early 19th century formulated the transmutation of species theory, which was the first fully-formed evolutionary theory. La...

Some examples In Support of Lamarckism: Webbed toes of aquatic birds Evolution of giraffe The disappearance of limbs in snakes Flightless birds Flat fishes Cave dwellers

What are Lamarck’s Propositions? 4 main factors are: Internal vital force – this force causes all living things and their component parts to be continually increased Effect of environment and ...

What is organic evolution?Standardized and systematic investigations have suggested that living entities of today are a result of a prolonged and incessant chain of events causing changes referred ...

What happens to the DNA of the plastids and mitochondria during nuclear divisions such as mitosis?Chloroplasts and mitochondria possess DNA in the form of extrachromosomal DNA and have no role in n...