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.
Updated February 28, 2017. Plankton is a general term for the floaters, the organisms in the ocean that drift with the currents. This includes zooplankton (animal plankton), phytoplankton (plankton that are capable of photosynthesis), and bacterioplankton (bacteria).