BlogArena

General blog about anything and everything of everyday's life.

04. Dec 2020

August 3, 2015
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Genetic Study of ‘Co-Evolution’ Could Provide Clues to Better Food Production

Evolutionary ‘arms race’ between caterpillars and cabbage plants helped form present-day butterfly and plant species COLUMBIA, Mo. – In 1964, renowned biologists Peter Raven and Paul Erhlich published a landmark study that introduced the concept of co-evolution. Using butterflies and … Continue reading

April 18, 2012
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Escalating Arms Race: Predatory Sea Urchins Drive Evolution

ANN ARBOR, Mich.— Nature teems with examples of evolutionary arms races between predators and prey, with the predator species gradually evolving a new mode of attack for each defensive adaptation that arises in the prey species. These adaptations are often … Continue reading

February 6, 2012
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A Bug’s (Sex) Life: Diving Beetles Offer Clues About Sexual Selection

*Studies of diving beetles suggest sperm evolution may be driven by changes in female reproductive organs, challenging the paradigm of post-mating sexual selection being driven mostly by competition among sperm.* Studying female reproductive tracts and sperm in diving beetles (Dytiscidae), … Continue reading