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The French terminations -ois / ais serve as both the singular and plural masculine; adding 'e' (-oise / aise) makes them singular feminine; 'es' (-oises / aises) makes them plural feminine. The Spanish termination "-o" usually denotes the masculine and is normally changed to feminine by dropping the "-o" and adding "-a". The plural forms are ...
A freshwater aquatic food web. The blue arrows show a complete food chain (algae → daphnia → gizzard shad → largemouth bass → great blue heron). A food web is the natural interconnection of food chains and a graphical representation of what-eats-what in an ecological community.
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.
Food chain in a Swedish lake. Osprey feed on northern pike, which in turn feed on perch which eat bleak which eat crustaceans.. A food chain is a linear network of links in a food web, often starting with an autotroph (such as grass or algae), also called a producer, and typically ending at an apex predator (such as grizzly bears or killer whales), detritivore (such as earthworms and woodlice ...
In Spanish, for instance, a cheetah is always un guepardo (masculine) and a zebra is always una cebra (feminine), regardless of their biological sex. In Russian a rat and a butterfly are always krysa (крыса) and babochka (бабочка) (feminine). In French, a giraffe is always une girafe, whereas an elephant is always un éléphant.
In a given ecosystem, food forms a web of interlocking chains with primary producers at the bottom and apex predators at the top. [14] Other aspects of the web include detrovores (that eat detritis) and decomposers (that break down dead organisms). [14] Primary producers include algae, plants, bacteria and protists that acquire their energy ...
Ocean chlorophyll concentration as a proxy for marine primary production. Green indicates where there are a lot of phytoplankton, while blue indicates where there are few phytoplankton. – NASA Earth Observatory 2019. [1] Marine primary production is the chemical synthesis in the ocean of organic compounds from atmospheric or dissolved carbon ...
These plankton are eaten by numerous forms of filter feeders—mussels, clams, barnacles, sea squirts, and polychaete worms—which filter seawater in their search for planktonic food sources. [13] The adjacent ocean is also a primary source of nutrients for autotrophs, photosynthesizing producers ranging in size from microscopic algae (e.g ...