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Why biodiversity is key to our survival

Diversity, be it genetic, morphological, behavioural or ecological, is at the heart of many controversies. It fascinates us or worries us, depending on the context. But what is biological diversity? How useful is it, how ...

dateDec 07, 2018 in Evolution Ecology
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Enhancing our vision of the past

An international group of scientists led by researchers from the University of Bristol have advanced our understanding of how ancient animals saw the world by combining the study of fossils and genetics.

dateDec 04, 2018 in Evolution
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How water fleas detect predators

Water fleas of the genus daphnia detect via chemical substances if their predators, namely Chaoborus larvae, are hunting in their vicinity. If so, they generate defences that make them more difficult to consume. The signalling ...

dateNov 27, 2018 in Plants & Animals Evolution
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Effort clarifies major branch of insect tree of life

The insects known as Hemiptera are not a particularly glamorous bunch. This group includes stink bugs, bed bugs, litter bugs, scale insects and aphids. Their closest relatives are thrips, bark lice and parasitic lice. But ...

dateNov 26, 2018 in Evolution
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Sexual conflict: A key to sustaining biodiversity

What factors sustain the diversity of life on our planet? This is the main question surrounding the study of biodiversity, but in spite of significant gains in our understanding of the field, many of the key factors defining ...

How female hyaenas came to dominate males

In most animal societies, members of one sex dominate those of the other. Is this, as widely believed, an inevitable consequence of a disparity in strength and ferocity between males and females? Not necessarily. A new study ...

House sparrow status signalling theory no longer flies

The size of a male house sparrow's bib has long been associated with the bird's fighting abilities and status within the flock. But an international team of researchers has shown there is little evidence to support it.

How plants evolved to make ants their servants

Plants are boring. They just sit there photosynthesizing while animals have all the fun. Right? Not so much. Take a look at the interactions between ants and plants—plants have evolved features specifically to make them ...

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