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Caterpillar
A caterpillar is the larva form of a lepidopteran (a member of the insect order comprising butterflies and moths). Caterpillars have long segmented bodies and many sets of "legs". They eat leaves ... > more -
Phytoplankton
Phytoplankton refers to the autotrophic component of the plankton that drifts in the water column. Most phytoplankton are too small to be individually seen with the unaided eye. Phytoplankton, like ... > more -
Dead zone (ecology)
Dead zones are hypoxic (low-oxygen) areas in the world's oceans, the observed incidences of which have been increasing since oceanographers began noting them in the 1970s. The term could as well ... > more -
Bioluminescence
Bioluminescence is the production and emission of light by a living organism as the result of a chemical reaction during which chemical energy is converted to light energy. Bioluminescence may be ... > more -
Herbal tea
An herbal tea, tisane, or ptisan is an herbal infusion not made from the leaves of the tea bush. Tisanes can be made with fresh or dried flowers, leaves, seeds or roots, generally by pouring boiling ... > more
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