Contributors in Science
Science > General science 
grapefruit
Science; General science
A citrus fruit, Citrus paradisi . It apparently arose as a hybrid of shaddock or pummelo and sweet orange in the West Indies. Its first recorded mention was in Barbados in ...
polypodiopsida
Science; General science
A class (also known as Filicineae) of the plant division Polypodiophyta containing a large group of plants commonly called ferns. They are widely distributed throughout the world ...
lycopsida
Science; General science
A class (formerly Lycopodiopsida) of the division Lycophyta. It probably evolved in the Early Devonian from a zosterophyllopsid ancester; all six constituent taxonomic orders had ...
euglenophyceae
Science; General science
A class coextensive with the division Euglenophycota, comprising unicellular colorless or photosynthetic flagellates with very distinctive cytological characters. In ...
cephalopoda
Science; General science
A class in the phylum Mollusca that is exclusively marine and contains the extant members—squids, cuttlefishes, octopuses, and the chambered nautiluses—and the fossil ...
scaphopoda
Science; General science
A class in the phylum Mollusca, comprising two orders, Gadilida and Dentaliida. The class is wholly marine; it is common and probably most diverse in the deep sea, and poorly ...
prymnesiophyceae
Science; General science
A class of algae (also known as Haptophyceae) in the chlorophyll a-c phyletic line (Chromophycota). In protozoological classification these organisms constitute an order, ...
Sub-categories
- Acoustics (1199)
- Basic science (4082)
- General science (120567)