
Ecosystems
Scientists Say: Food web
All the species in an ecosystem and the feeding relationships between them get summed up with this handy picture.
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All the species in an ecosystem and the feeding relationships between them get summed up with this handy picture.
But the same thing is not happening throughout the kingdom. For instance, more than half of vertebrate populations are stable or increasing.
Vampire spiders get their meals from blood-filled Anopheles mosquitoes. But if those insects disappear, the spiders will likely adapt.
Amphibian deaths from a fungal disease may have led to more mosquitoes — and an increase in malaria cases in Costa Rica and Panama.
Some parasites turn their victims into mindless puppets that do the parasites’ bidding, even at the cost of their own lives.
Researchers in Brazil’s Atlantic Forest stumbled onto something very strange. They watched as animals “doctored” themselves with products from a tree.
Parasites get a bad rap as disease-causing, unwelcome guests on other organisms. But parasites are also imperiled, and scientists don’t want to lose them.
Camera footage reveals that moths make roughly a third of the visits to red clover, working under the cover of night.
The newly discovered Thiomargarita magnifica is about the size of your eyelash and is surprisingly complex.
Damaging the leaves boosts the plant’s chemical defenses — and their appeal to cats.