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Page 2 - துறை ஆஃப் ஒருங்கிணைந்த உயிரியல் News Today : Breaking News, Live Updates & Top Stories | Vimarsana

Inheriting mother s friends key to hyena success

 E-Mail EAST LANSING, Mich. - In the wild, inheriting advantageous physical traits may be the difference between a long life and a short one. But for the spotted hyena, another kind of inheritance, one that has nothing to do with genetics, turns out to be extremely important for health and longevity social networks inherited from their mothers. A new study, based on 27 years of observational data from Michigan State University Distinguished Professor Kay Holekamp, expands a previously established theoretical model of spotted hyena social networking to show how these networks emerge, how long they last and how they affect a hyena s life trajectory.

Why is the eastern monarch butterfly disappearing?

Why is the eastern monarch butterfly disappearing? A Spartan-led research team has uncovered an answer at least for the most recent population decline with a huge assist from volunteers Michigan State University ecologists led an international research partnership of professional and volunteer scientists to reveal new insights into what’s driving the already-dwindling population of eastern monarch butterflies even lower.   Between 2004 and 2018, changing climate at the monarch’s spring and summer breeding grounds has had the most significant impact on this declining population. In fact, the effects of climate change have been nearly seven times more significant than other contributors, such as habitat loss. The team published its report July 19 in the journal Nature Ecology & Evolution.

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