Definition of Biological Species Concept (BSC) The biological species concept (BSC) is a widely used definition of a species in biology. This concept defines a species as a group of organisms that can interbreed and produce viable offspring. The BSC was proposed by Ernst Mayr in 1942 and has been used extensively in the study […]
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What is speciation? Speciation is the process by which new species arise from existing ones. The genetic and ecological factors that contribute to speciation are complex and multifaceted, and different modes of speciation can occur under different circumstances. In this class note, we will explore the three main types of speciation: allopatric, sympatric, and parapatric
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Biology is a fascinating subject that provides insight into the workings of the natural world. From the smallest microorganisms to the largest mammals, biology covers everything that lives and breathes on our planet. If you’re looking to master this subject, then you’ve come to the right place. In this blog post, we’ll explore some tips
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Zoology pronunciation: The correct method Zoology is a field of biology that deals with the study of animal life, and it is a word that is often mispronounced. If you’re someone who’s interested in this field or simply want to know the correct pronunciation, then this article is for you. The word “zoology” is pronounced
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Osmosis: definition Osmosis is the diffusion of water molecules across a selectively permeable membrane from a region of high concentration to a low concentration. The selectively permeable membrane allows only water molecules to pass through while blocking other substances. Osmosis is a passive process, meaning it requires no energy input. It occurs due to the
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Amoeba is a type of single-celled organism that belongs to the kingdom Protista. It is known for its ability to move and change its shape, a characteristic known as an amoeboid movement. This movement results from the organism’s ability to extend and retract pseudopodia, temporary cell membrane extensions that function as legs. “Sol-Gel” Theory of
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Discover the intricate and vital role of the canal system in sponges. This blog post provides a comprehensive overview of the definition, histology, types, and functions of the canal system in sponges. Learn how it supports water filtration, circulation, respiration, defense against predators, and reproduction, and discover how it plays a crucial role in their
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Zoology definition Explore the exciting world of zoology and discover the career opportunities it offers. Zoology is the scientific study of the behavior, structure, physiology, classification, and distribution of animals. In the USA, there are many universities offering both undergraduate and graduate courses in Zoology. Studying Zoology can provide students with a broad understanding of
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Computational Biology: Computational biology is a branch of biology that applies mathematical, computational and statistical methods to the study of biological systems. This interdisciplinary field merges the principles of biology and computer science to solve complex biological problems. Computational biologists use mathematical and computational models to simulate biological processes and analyze biological data. Computational biology
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What is Marine Biology? Marine biology is the scientific study of marine organisms, behaviours, and environmental interactions. It is an interdisciplinary field incorporating knowledge and techniques from biology, chemistry, geology, physics, and other sciences. Marine biologists study a wide range of organisms, from microscopic phytoplankton to large whales, as well as the physical and chemical
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