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.
Killer whales are actually dolphins. Although they are not harmful to people, they are one of the most feared animals in the ocean. Killer whales eat seals, porpoises, birds, â¦ whales, and even other dolphins. They can swallow 50 pounds of food in one gulp.ut for the most part no killer whales are not danger to humans unless the human shows dominating or abusive behavior toward the animal. In fact their are very few actual deaths of humans caused by killer whales on record.