| Diplulmaris | |
|---|---|
 | |
| Diplulmaris antarctica | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Cnidaria |
| Class: | Scyphozoa |
| Order: | Semaeostomeae |
| Family: | Ulmaridae |
| Genus: | Diplulmaris |
| Type species | |
| Diplulmaris antarctica Maas, 1908 | |
| Synonyms | |
| |
Diplulmaris is a genus of jellyfish in the family Ulmaridae. [1]
The Ulmaridae are a family of jellyfish.
Limacina rangii is a species of swimming sea snail in the family Limacinidae, which belong to the group commonly known as sea butterflies (Thecosomata).
Compared to terrestrial environments, marine environments have biomass pyramids which are inverted at the base. In particular, the biomass of consumers is larger than the biomass of primary producers. This happens because the ocean's primary producers are tiny phytoplankton which grow and reproduce rapidly, so a small mass can have a fast rate of primary production. In contrast, many significant terrestrial primary producers, such as mature forests, grow and reproduce slowly, so a much larger mass is needed to achieve the same rate of primary production.
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