Saccharomyces is a type of yeast commonly used in baking and brewing industries, as well as a probiotic supplement. It is generally considered helpful for fermentation processes and as a dietary supplement, but can cause infections if overgrown in certain medical conditions, such as candidiasis.
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Protists can be both helpful and harmful. Some protists are beneficial as they play key roles in ecosystems, such as being primary producers in marine environments. However, some protists can also be harmful pathogens that cause diseases in humans, animals, and plants.
Saccharomyces cerevisiae, also known as baker's yeast, is not harmful to humans in small amounts and is commonly used in baking and brewing. However, consuming large amounts of it could potentially lead to digestive issues for some individuals.
Bacteria can be both harmful and helpful. Harmful bacteria can cause infections and diseases, while helpful bacteria play important roles in processes like digestion, nutrient cycling, and even producing antibiotics. It's important to maintain a balance of good and bad bacteria in our bodies and environment.
Algae can be both harmful and helpful. Harmful algae blooms can release toxins harmful to aquatic life and human health. However, algae are also vital to aquatic ecosystems as they produce oxygen through photosynthesis and serve as food for organisms in the food chain.
Dinoflagellates can be both helpful and harmful. Some species are important producers in marine ecosystems as they play a key role in the food chain. However, certain dinoflagellates are also responsible for harmful algal blooms that can have negative impacts on marine life and human health, through the production of toxins.