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Life science discipline (subject) is Ecology

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		A female green orchid bee (Euglossa viridissima) gathers floral resins from a Clusia lanceolata plant to use in brood cell construction. A female green orchid bee (Euglossa viridissima) gathers floral resins from a Clusia lanceolata plant to use in brood cell construction. A resin mass is visible on the hind leg. Almost 200 species of...	You must be logged in to access all resource information.	More Info

		*A female parasitoid wasp (Euplemus vuilletti) feeds from its host, a beetle larva (Callosobruchus maculatus).* A female parasitoid wasp (Euplemus vuilletti) feeds on its host, a beetle larva (Callosobruchus maculatus), by puncturing the beetle's cuticle with its ovipositor. The wasp creates a feeding tube to...	You must be logged in to access all resource information.	More Info

		*A female rotifer (Brachionus calyciflorus) with two eggs* A female rotifer (Brachionus calyciflorus) with two eggs. The eggs are the result of parthenogenesis, or asexual reproduction by the female, which occurs in rotifers when growing conditions are...	You must be logged in to access all resource information.	More Info

		A female silver studded blue butterfly (Plebejus argus) on a shrub in the Donana National Park of southern Spain. A female silver studded blue butterfly (Plebejus argus) on a shrub in the Donana National Park of southern Spain. P. argus has a mutualistic association with ants of the genus Lasius and uses the...	You must be logged in to access all resource information.	More Info

		A field planted with two kinds of cotton (Gossypium sp): Bt cotton and normal cotton, where the normal cotton acts as a refuge for insects. Some rows of the field in the photograph contain cotton plants (Gossypium sp) that are genetically engineered to produce a toxin from the bacterium Bacillus thuringiensis (Bt). Bt kills insects that...	You must be logged in to access all resource information.	More Info

		A Galapagos sea lion (Zalophus wollebaeki) nurses a pup. In mammals, lactation has important effects on maternal and offspring fitness. Pinnipeds (fin-footed mammals) are a good mammalian group for research studies that focus on lactation because in...	You must be logged in to access all resource information.	More Info

		A Generally Accessible Derivation of the Golden Rule of Bioeconomics This article provides formulas to understand the bioeconomics of world fishery harvesting.		More Info

		A grey tree frog (Hyla versicolor). A grey tree frog (Hyla versicolor). Amphibian species are declining globally, and pesticides may play a role, but their concentrations are often low in nature. Carbaryl is a common pesticide that can...	You must be logged in to access all resource information.	More Info

		A group of bluehead wrasse (Thalassoma bifasciatum) shoal above a reef at St. Croix, U.S. Virgin Islands. A group of bluehead wrasse (Thalassoma bifasciatum) shoal (group together) above a reef at St. Croix, U.S. Virgin Islands. Shoaling is a common anti-predator behavior for reef fishes such as the...	You must be logged in to access all resource information.	More Info

		A herd of alpine ibex (Capra ibex) struggling to move through deep snow. A herd of alpine ibex (Capra ibex) struggles through deep snow. A recent study examined 45 years of census data for a population of alpine ibex in Gran Paradiso National Park in northwestern Italy....	You must be logged in to access all resource information.	More Info

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