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Usually, longer, more detailed questions will give a more accurate portrayal of personality. [255] At the same time, shorter questionnaires may be sufficient to get a reasonable estimate of Big Five personality scores when questions are carefully selected and statistical imputation is used. [256]
In practice, that includes organisms smaller than about 0.1 mm. [12]: 13 Such organisms can be single-celled [ 1 ] or multicellular . Microorganisms are diverse and include all bacteria and archaea , most protists including algae , protozoa and fungal-like protists, as well as certain microscopic animals such as rotifers .
The pelagic food web, showing the central involvement of marine microorganisms in how the ocean imports nutrients from and then exports them back to the atmosphere and ocean floor. A marine food web is a food web of marine life. At the base of the ocean food web are single-celled algae and other plant-like organisms known as phytoplankton.
Marine biology is the scientific study of the biology of marine life, organisms that inhabit the sea. Given that in biology many phyla , families and genera have some species that live in the sea and others that live on land, marine biology classifies species based on the environment rather than on taxonomy .
The ocean represents the largest continuous planetary ecosystem, hosting an enormous variety of organisms, which include microscopic biota such as unicellular eukaryotes (protists). Despite their small size, protists play key roles in marine biogeochemical cycles and harbour tremendous evolutionary diversity.
Senate confirmation hearings set to begin this week are likely to reveal a defining trait uniting Donald Trump’s incoming Cabinet, regardless of their diverse political backgrounds and uneven ...
Watch firsthand, in 360 video, as Susan Sarandon listens and learns about refugees' hopes, dreams and journeys
Marine life, sea life or ocean life is the collective ecological communities that encompass all aquatic animals, plants, algae, fungi, protists, single-celled microorganisms and associated viruses living in the saline water of marine habitats, either the sea water of marginal seas and oceans, or the brackish water of coastal wetlands, lagoons ...