Ecosystems exert control across trophic levels through the top-down approach—where predators control the ecosystem through population checks—and through the bottom-up approach, where resources control the growth of the population.
Evolution, driven by “survival of the fittest”, allows the best, most suited organisms to survive in an environment. These organisms are “fit” and survive because of a behavioral or physical trait that makes them superior to other competing individuals or species. But what does being “fit” really mean? […]
When faced with an environmental stress, every living being has the ability to alter its lifestyle, its habits, its physiological processes to a certain degree so that it can accommodate that stress and continue to survive. Humans do it too; when it’s cold, the hair on our body […]
Alien Australian possums could be helpful, not harmful to recovering ecosystems in New Zealand — Evolution Story Time
Can alien species be helpful to some ecosystems? Apparently so! Horror stories of an alien species taking over and annihilating diversity in a native ecosystem have become pervasive in ecological news. This happens as our world continues to become more and more interconnected: species are moved around by […]
Species interactions can lead to competition or coexistence in an ecosystem. Find out how nature decides whether organisms compete and die, or comply and survive in this post.
Coral bleaching has been heavily discussed in every climate-change blog, environmental journals and among the academia for the last few months. In fact, reports that the Great Barrier Reef is dead went viral on social media and caused mass uproar. People began posting updates lamenting the terrible things […]
For the last few years, 30th November has been celebrated by a select few communities all over the world as Remembrance Day. On this day, species that have become extinct are remembered and talked about. Along with this, awareness is spread among the younger population about the dangers […]