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.
Whales are the largest animals that live on the planet. They are marine mammals that belong to the order of cetacea, which includes roughly 80 species of whales, dolphins, and porpoises. Many species of whales migrate long distances each year between feeding and breeding grounds. 2  Whales are divided up between baleen whales and toothed whales. 3  Baleen whales are filter feeders, feeding on the oceans smallest organisms like krill, while toothed whales feed on fish, squid, and other marine mammals.