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Insights What is Evolution: A Beginner’s Guide
- Thread starter Ryan_m_b
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The discussion centers on the fundamental concepts of evolution, emphasizing its significance in biology. Evolution is defined as the change over time in inheritable traits within a population. Key terms related to evolution are clarified, including genome, genotype, allele, gene, mutation, and phenotype, which are essential for understanding how genetic variations contribute to evolutionary processes. The conversation highlights the ongoing interest in evolution among both scientists and the general public, prompting various questions and discussions about its implications and mechanisms. Educational resources are also mentioned to further explore the topic of evolution.
For more than a hundred years people have been intrigued by how animals are able to do certain navigating tasks so well. Being able to sense magnetic fields has been one of several clues animals could use to figure out where they should go. Among possible magnetic sensory mechanisms have been:
light sensitive proteins (cryptochromes) in the retina that can also react to magnetic fields.
Microscopic magnetite crystals on found in various areas of the body (often the nose near nerves)
A new...