noun, Cell Biology. 1. a network of tubular membranes within the cytoplasm of the cell, occurring either with a smooth surface (smooth endoplasmic reticulum) or studded with ribosomes (rough endoplasmic reticulum) involved in the transport of materials.
The most widely distributed of all sea turtles; found in the Gulf of Alaska and south of the Bering Sea in the northeastern Pacific to Chile in the southeastern Pacific. In the Barents Sea, Newfoundland and Labrador in the North Atlantic; around Argentina and South Africa in the South Atlantic.
Credit: Georgette Douwma Stone Getty Images. The 327 living turtle species exhibit remarkable diversity, and they have colonized most available habitats. Some species live in deserts, while others live in rainforests, temperate forests, grasslands, lakes, ponds, rivers, swamps and coral reefs. Some turtles, particularly the wide-ranging sea turtles, have huge ranges that span thousands of miles.