What will happen if one of the links in a food chain becomes extinct? What will happen if the food web is disturbed? What happen to the food chain in the ocean? What would happen if an animal from a food chain disappear? How can peoples actions affect food webs? If you lost the villi in your small intestine what would happen? What would happen if there were no producer? If krill decreases what will happen to the food chain in Antarctica?
What would happen in a food chain if the consumers died? What would happen to the food chain if the herbivorous were wiped out? What would happen if the microorganisms were removed from the food chain? If the number of phytoplankton decrease what happen to the food chain in the ocean? What would happen to a food chain if there was a disease? What will happen if deer disappear? What would happen to food chain if the African penguin became extinct? What would happen to each part of the food chain if lots of green fly got a disease and died?
Why would it be a serious problem if a consumer organism that had no predators was introduced into the system? What happen to the food chain where it is connected? What would happen if one consumer in a food chain became extinct? What would happen if the food chain ended?
What will happen if the tertiary consumer dies in a food chain? What will happen to biodiversity when a food chain is broken or distured?
Study Guides. Trending Questions. What is the fourth element of the periodic table of elements? Still have questions? Find more answers. If it died, the consumers that feed on it - rabbits, insects and slugs - would have no food. They would starve and die unless they could move to another habitat. All the other animals in the food web would die too, because their food supplies would have gone.
The populations of the consumers would fall as the population of the producer fell. Slugs, rabbits and insects all eat grass. If there were fewer slugs there would be more grass for the rabbits and insects to eat. With more food, the populations of rabbits and insects would increase.
However, the thrushes would have to eat more insects to maintain their population, so it is also possible that the population of insects could decrease. By Tim Stephens. The decline of large predators and other "apex consumers" at the top of the food chain has disrupted ecosystems all over the planet, according to a review of recent findings conducted by an international team of scientists and published in the July 15 issue of Science.
The study looked at research on a wide range of terrestrial, freshwater, and marine ecosystems and concluded that "the loss of apex consumers is arguably humankind's most pervasive influence on the natural world.
According to first author James Estes, a professor of ecology and evolutionary biology at the University of California, Santa Cruz, large animals were once ubiquitous across the globe, and they shaped the structure and dynamics of ecosystems. Their decline, largely caused by humans through hunting and habitat fragmentation, has had far-reaching and often surprising consequences, including changes in vegetation, wildfire frequency, infectious diseases, invasive species, water quality, and nutrient cycles.
The decline of apex consumers has been most pronounced among the big predators, such as wolves and lions on land, whales and sharks in the oceans, and large fish in freshwater ecosystems. But there have also been dramatic declines in populations of many large herbivores, such as elephants and bison. The loss of apex consumers from an ecosystem triggers an ecological phenomenon known as a "trophic cascade," a chain of effects moving down through lower levels of the food chain.
Despite these and other well-known examples, the extent to which ecosystems are shaped by such interactions has not been widely appreciated.
One reason for this is that the top-down effects of apex predators are difficult to observe and study.
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