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Northern kelp crabs are known for their association with kelp and their similar coloration. Their long many-jointed legs have evolved to help them climb bull kelp and also provide help climbing man-made pilings. These crabs are also common in lower intertidal zones in beds of algae or eelgrass. They may also be found under rocks or shelters at ...
Nereocystis (Greek, 'mermaid's bladder') is a monotypic genus of subtidal kelp containing the species Nereocystis luetkeana. [1] Some English names include edible kelp, bull kelp, bullwhip kelp, ribbon kelp, bladder wrack, and variations of these names. [2]
Macrocystis is a monospecific genus [3] of kelp (large brown algae) with all species now synonymous with Macrocystis pyrifera. It is commonly known as giant kelp or bladder kelp. This genus contains the largest of all the Phaeophyceae or brown algae. Macrocystis has pneumatocysts at the base of its blades.
Despite its appearance, kelp is not a plant but a stramenopile (a group containing many protists). [4] Kelp grow from stalks close together in very dense areas like forests under shallow temperate and Arctic oceans. [3] They were previously thought to have appeared in the Miocene, 5 to 23 million years ago based on fossils from California. [5]
Membranipora membranacea colonies consist of individual organisms called zooids, each with a chitinous exoskeleton which is secreted by the epidermis. [6] This exoskeleton, hardened with calcium carbonate, is known as the zooecium, which not only serves to protect the internal structures of the organism, but also keeps the individual permanently attached to the substrate and neighboring zooids ...
Peace talks between North and South Korea in 2018 raised hopes amongst ecologists that the two states might work together to preserve the wildlife habitats of the narrow strip of land between them.
Point Defiance Zoo & Aquarium (PDZA) is the only combined zoo and aquarium in the Pacific Northwest, located in Tacoma, Washington, US, owned by Metro Parks Tacoma.Situated on 29 acres (12 ha) in Tacoma's Point Defiance Park, the zoo and aquarium are home to over 9,000 specimens representing 367 animal species.
The largest marine algae are kelp species, which include bull kelp (Durvillaea antarctica), which can reach over 20 metres (66 ft) long and is thought to be the strongest kelp in the world. As many as 47 individual plants can live on 1 square metre (10.8 sq ft), and they can grow at 60 centimetres (24 in) a day.