An english biologist who is renowned for his work and theories in his book on the origin of species by means of natural selection. His work is elaborated upon in the genetics and evolution tutorial.
Dictionary > Darwin Charles
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This lesson looks at population attributes, regulation, and growth. It also covers population genetics, particularly genetic variations, natural selection, genetic drift, genetic migration, and speciation...
Genetics and Evolution
Humans are diploid creatures. This means that for every chromosome in the body, there is another one to match it. However, there are organisms that have more than two sets of chromosomes. The condition is called polyploidy. Know more about this topic through this tutorial...
Genetics – Lesson Outline & Worksheets
Topics Modules Quizzes/Worksheets Description Introduction to Genetics Genetics – Definition: Heredity and Variation Fields of Genetics: Mendelian Genetics Molecular Genetics Fundamental Concepts: The Cell The Nucleus DNA Genes Alleles Chromosomes GENETICS – CROSSWORD PUZZLE (pdf) GENETICS – CROSSWORD PUZZLE Genetics: the study of the patterns of inheritance of specific traits, relating to..
Adaptation Tutorial
Adaptation, in biology and ecology, refers to the process or trait through which organisms or the populations in a habitat become more suited or a better fit to their environment. It is similar to the term acclimatization in a way that both of them are processes that lead to the adjustment to a change, such..
Early Mammals on Earth
The Earth's ecosphere was rapidly changing and throwing up a wide range of ecological niches that new adaptive organisms, such as mammals, could fit into. Eventually, every continent of the planet had its own variety of mammalian organisms and their own unique evolutionary chain and direction. Learn more about the early mammals that roamed the Earth alongside other organisms, such as reptiles, fish, and birds...
Population Regulation in an Ecosystem
With regard to the population size of a species and what factors may affect them, two factors have been defined. They are the density-dependent factors and the density-independent factors. Find out the differences between the two in this tutorial. Know how these factors affect populations in an ecosystem...
