Fermentation is an anaerobic process in which energy can be released from glucose even though oxygen is not available. Fermentation occurs in yeast cells, and a form of fermentation takes place in bacteria and in the muscle cells of animals. In these situations, your working muscles generate ATP anaerobically (i.e., without oxygen) using a process called fermentation. Fermentation is beneficial in that it can generate ATP quickly for working muscle cells when oxygen is scarce. Fermentation helps break down nutrients in food, making them easier to digest than their unfermented counterparts. For example, lactose — the natural sugar in milk — is broken down during fermentation into simpler sugars — glucose and galactose ( 20 ).
Answer:
<u>B) introduction of a non-native animal species</u>
Explanation:
The introduction of invasive species within an ecosystem can result in irreversible, permanent and long-term instability of most ecosystems. The other answer choices are natural occurrences that seldom result in a long period of instability.
Answer: Option A (Density-independent factor)
Explanation:
Density-independent factor is a population regulation factor that affect or influence the size of a population without considering the population density. Climate and weather are the main density-independent factors in nature.
Their effects increment is directly proportional to the increase in population size. These factors are environmental agents that checkmate the size of a population without putting the reproductive and behavioral patterns of the organisms into consideration.
Answer:
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