Tag

Coevolution

All articles tagged with #coevolution

science1 year ago

Cuckoo Deception Spurs New Species and Biodiversity

Researchers from the University of Cambridge have found that cuckoos laying eggs in other birds' nests can drive the evolution of new species. This coevolutionary interaction, where cuckoo chicks mimic host chicks to avoid detection, leads to genetic divergence and increased biodiversity. The study, published in Science, highlights how such interspecies battles can result in speciation.

anthropology2 years ago

Unraveling Human History Through Lice: Insights from DNA and Migration

A genetic analysis of lice suggests that they arrived in the Americas twice - once during the initial human migration across the Bering Strait and again during European colonization. The study reveals two distinct clusters of lice, with a unique group in the Americas resulting from a mixture of lice descended from the First People and European lice. The research also supports the idea that people from East Asia migrated to North America and became the first Native Americans. The study highlights the coevolutionary history between humans and lice and provides insights into human migration patterns.

paleontology2 years ago

Ancient Reptile Fossil Uncovers Parasite Infestation

Scientists have discovered evidence of parasitic infection in a reptile that lived during the Triassic Period, around 252 million to 201 million years ago. The parasites were found in a coprolite, or fossilized feces, from a phytosaur, a reptilian carnivore resembling modern crocodiles. The coprolite contained at least five different types of parasites, including nematodes. This finding provides insights into ancient parasite-host relationships and suggests that parasites may have been inside prey animals before being eaten, shedding light on how past ecosystems were connected and how they affected prehistoric animals.