H. pylori can also spread through contact with contaminated water or food. The bacteria are believed to cause stomach problems when they penetrate the stomachâs mucous lining and generate substances that neutralize stomach acids. This makes the stomach cells more vulnerable to the harsh acids.. pylori can also spread through contact with contaminated water or food. The bacteria are believed to cause stomach problems when they penetrate the stomachâs mucous lining and generate substances that neutralize stomach acids. This makes the stomach cells more vulnerable to the harsh acids.
Food Preferences & Resources. Beluga whales are opportunistic feeders. They prey on about 100 different kinds of primarily bottom-dwelling animals. They eat octopus; squid; crabs; snails; sandworms; and fishes such as capelin, cod, herring, smelt, and flounder.
Despite their huge size, whale sharks feed on some of the tiniest creatures in the ocean, including crustaceans and plankton. More Â». Basking shark (Cetorhinus maximus), showing head, gills and dorsal fin.