That would be called a source or head water
The scientists who provided this hypothesis had an idea that the species evolved in order to accommodate their needs on certain islands. For instance, an example is beak size of certain birds which Darwin thought that this was to eat certain foods.
Has a cell wall but lacks a well-defined nucleus and organelles, and its cytoplasm doesn't have much structure.
Answer:
Ulcer
Explanation:
In the index it will most likely be like this
Ulcer, peptic
Ulcer, gastrojejunal
Bacteria are classified into five groups according to their basic shapes: spherical (cocci), rod (bacilli), spiral (spirilla), comma (vibrios) or corkscrew (spirochaetes). They can exist as single cells, in pairs, chains or clusters. Bacteria are found in every habitat on Earth: soil, rock, oceans and even arctic snow.
