Giraffe Characteristics. The giraffe is the tallest living animal which is instantly recognizable by its exceptionally long neck. Adult males stand 15 â 19 feet (4.6 â 6.0 metres) tall, whereas females are shorter at 13 â 16 feet (4 â 4.8 metres) tall.
Bacterioplankton are bacteria and archaea, which play an important role in remineralising organic material down the water column (note that many phytoplankton are also bacterioplankton). Plankton are found throughout the oceans, seas and lakes of Earth.
Plankton are organisms drifting in oceans, seas, and bodies of fresh water. The word zooplankton is derived from the Greek zoon (Î¶á¿´Î¿Î½), meaning animal, and planktos (ÏÎ»Î±Î³ÎºÏÏÏ), meaning wanderer or drifter.Individual zooplankton are usually microscopic, but some (such as jellyfish) are larger and visible with the naked eye.he word zooplankton is derived from the Greek zoon (Î¶á¿´Î¿Î½), meaning animal, and planktos (ÏÎ»Î±Î³ÎºÏÏÏ), meaning wanderer or drifter. Individual zooplankton are usually microscopic, but some (such as jellyfish) are larger and visible with the naked eye.