News tagged with common ancestor

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Plant symbioses—fragile partnerships

All plants require an adequate supply of inorganic nutrients, such as fixed nitrogen (usually in the form of ammonia or nitrate), for growth. A special group of flowering plants thus depends on close symbiotic relationships ...

dateMay 25, 2018 in Biotechnology
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Worm-eating mice reveal how evolution works on islands

Australia has a bunch of kangaroo species, Madagascar has multiple species of lemurs, the Galapagos Islands have boulder-sized tortoises—islands get lots of cool animals. That's because when animals are isolated on islands, ...

dateMay 16, 2018 in Ecology
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Sponges can economize on oxygen use

Sponges lack a signaling pathway that responds to low intracellular oxygen levels in more complex animals. Do they use a different mechanism for this purpose or did their earliest ancestors evolve at a time when less oxygen ...

dateFeb 06, 2018 in Cell & Microbiology
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