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An algae bloom can turn your favorite beach into a scene from Dr. Seuss: imagine seeing a green fuzzy carpet of algae as far as the eye can see instead of a cool blue ocean. Find out what causes these harmful algae blooms.
Binomial Nomenclature is the classic method of taxonomy or classifying scientific organisms. Discovered by Carolus Linnaeus centuries ago, this scientific classification system has stood the test of time. Read on to learn how to find and write scientific names of organisms.
Biology Newsletter Sign-up
Sign up for the weekly BellaOnline Biology newsletter! This sign-up is quick, easy, and free. Sign up for weekly biology updates.
Earth Day Every Day
Earth day falls once a year on April 22. However, the earth should be celebrated year round instead of just once a year. The environment gives us so many gifts that are essential to live. Celebrate the earth every day with these 5 ideas.
Gene TAS2R38 and Supertasters
Do you cringe at the taste of Brussels sprouts? Do artificial sweeteners taste sickeningly sweet? You may be a supertaster. A mutation on the TAS2R38 gene, a marker gene for taste hypersensitivity, yields increased sensitivity to bitter tasting compounds. So, what's your taster status?
History of Phylogenetic Trees
Who came up with the first phylogenetic tree? Tree of Life diagrams have been around much longer than anyone suspected for being such a new, unique way of classifying organisms. Explore the history of phylogenetics and the biological tree of life.
Identifying a Monophyletic Group
Monophyletic groups share traits in common with one another. These groups share the same common ancestor. Scientists use monophyletic groups to classify organisms based on their shared heritable traits. Trace an organism's place in evolution using a life tree.
Lucy - One of the Oldest Human Ancestors
Who were our human ancestors? Meet one of the oldest: Lucy. Lucy was a member of a species of hominids that made up some of our oldest human ancestors. Lucy's skeleton is the most complete ancestral skeletal ever to be found and the only one to be named after a Beatles song.
May Flowers Bring Pollinators
April flowers bring may flowers, but what do may flowers bring? Pollinators! Many animals pollinate flowers. This allows the flowers to reproduce and form seeds and fruits. One such pollinator, bees, see flowers through UV light.
Phylogenetics and the Biological Tree of Life
Classic taxonomy has been joined by a new method: phylogenetics. Phylogenetics is the study of the evolutionary history of living organisms and how each organism is related to each other through common ancestry. Using phylogenetics, biologists may construct the biological tree of life.
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