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Cut leaves, collect mud, make a cellophane-type material – bees make sophisticated nests in thousands of different ways, improving their competitiveness as well as protecting them from enemies, including other bees. CREAF researcher Carlos Hernández-Castellano introduces us to this remarkable world.
Not only humans have the capacity for communication. Queen bees emit pheromones in order to control workers, and abortions can be provoked in pregnant female mice just by their smelling of odors produced by a male distinct to that which fertilized them. Plants also communicate with chemical signals which they release into their surroundings, helping them to interact with other plants and living beings, including microorganisms.
Ecosystem services are the benefits that an ecosystem provides to society by improving people’s health, the economy, and quality of life in general. An ecosystem service is derived from the particular characteristics of an ecosystem.
Around the world, invasive animal species are pushing out the natives, sometimes forever altering ecosystems. House sparrows are a prime example, having spread from Europe to most inhabited parts of the world. Daniel Sol has collaborated in an dissemination article for the Science journal that have gleaned key traits underlying its incredible success.