For humans, trade is second nature and civilizations have flourished and fallen with the fate of their trade. In fact, the mutual scratching of backs is a cornerstone of many animal societies. On the other hand, deep and ...
Evolution
Feb 18, 2020
0
160
It was long believed that physical characteristics acquired by organisms during their lifetime could not be passed on to their offspring. However, in recent years, the theory of inheritance of acquired traits has gained support, ...
Evolution
Feb 3, 2020
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238
Recent models are telling us that, as our climate warms up, herbivores and pests will cause increased damage to agricultural crops. One study predicted that crop yield lost to insects increases 10 to 25 percent for every ...
Plants & Animals
Jan 21, 2020
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47
Chemical defenses of plants not only affect the growth and development of herbivores, but also, indirectly, the next consumers in the food chain. A new study shows that herbivores and their predators have evolved efficient ...
Plants & Animals
Dec 19, 2019
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3
A monarch butterfly had just emerged from its chrysalis when Emilie Snell-Rood reached into its cage, grabbed it carefully to take measurements and photographs, then placed it inside a tall and breezy tent. There it would ...
Plants & Animals
Sep 3, 2019
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32
It is difficult to distinguish caterpillars of the peppered moth from a twig. The caterpillars not only mimic the form but also the color of a twig. In a new study, researchers of Liverpool University in the UK and the Max ...
Plants & Animals
Aug 5, 2019
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935
A moth caterpillar has evolved to use acids, usually sprayed at predators as a deterrent, to disarm the defenses of their food plants, according to a study publishing July 10 in the open-access journal PLOS ONE by David Dussourd ...
Plants & Animals
Jul 10, 2019
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7
Millions of tiny caterpillars that shoot toxic hairs have triggered a health scare in the Netherlands, with hundreds of people seeking medical help for symptoms including severe skin irritation and asthma attacks.
Environment
Jul 10, 2019
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1
Conservation organizations across the United States plant milkweed to combat the loss of monarch butterflies, whose populations have declined around 90 percent in the last two decades. Where they plant may be important, according ...
Plants & Animals
Jun 27, 2019
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1
Brassica rapa plants pollinated by bumblebees evolve more attractive flowers. But this evolution is compromised if caterpillars attack the plant at the same time. As bees pollinate them less effectively, the plants increasingly ...
Evolution
Apr 12, 2019
1
105
