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ScienceDaily: Plants & Animals News |
| What happens to marine life when oxygen is scarce? Posted: 26 Jul 2021 01:58 PM PDT In September of 2017, marine biologists were conducting an experiment in Bocas del Toro, off the Caribbean coast of Panama. After sitting on a quiet, warm open ocean, they snorkeled down to find a peculiar layer of murky, foul-smelling water about 10 feet below the surface, with brittle stars and sea urchins, which are usually in hiding, perching on the tops of coral. This observation prompted a collaborative study analyzing what this foggy water layer is caused by, and the impact it has on life at the bottom of the seafloor. |
| Plant root-associated bacteria preferentially colonize their native host-plant roots Posted: 26 Jul 2021 08:39 AM PDT Researchers have discovered that bacteria from the plant microbiota are adapted to their host species. They show how root-associated bacteria have a competitive advantage when colonizing their native host, which allows them to invade an already established microbiota. |
| Function of sex chromosomes in turtles Posted: 26 Jul 2021 07:21 AM PDT A new study sheds light on how organisms have evolved to address imbalances in sex chromosomes. The study looks at a species of softshell turtle, but the results could help to illuminate an important evolutionary process in many species. The research centers on a process known as sex chromosome dosage compensation. |
| Juicy past of favorite Okinawan fruit revealed Posted: 26 Jul 2021 07:21 AM PDT A genetic analysis of fruit in the mandarin family has unraveled a complex journey from the mountainous region of southern China to the markets of Okinawa. |
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