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What would most likely trigger a climate change that could lead into a mass extinction?
Volcanic debris changes the climate.
Which change in climate of a location would most likely cause the greatest increase in chemical weathering of local bedrock?
greater precipitation in summer
There are a lot of reasons. One is a big cloud (like one resulting from massive volcanic activity or the impact of a large asteroid) can block the Sun and plants would not s…urvive, so then many herbivores die followed by most carnivores. When an environment changes the organisms living in it may not have the time to evolve to adapt, and so they die. A change in climate can lead to extinction because it can destroy organisms' habitats. For example, woolly mammoths had thick fur that was perfect for keeping themselves warm in the cold area. When global warming caused the climate to become warmer, their traits for cold weather were no longer helpful and eventually became extinct.
Unstable weather patterns
4 an increase in sediment, fallen leaves, and tree limbs accumulating on the bottom of the pond
Frequent volcanic eruptions.
The Permian-Triassic Extinction
Volcanism, asteroid bombardment, radiation from space, climate change from various causes, disease, and (future) nuclear war.
Typically, cold-blooded animals are more likely to survive mass extinctions than their warmblooded counterparts. Animals who are lower in the food chain are also more likely t…o survive. Mass extinctions, however, vary in their causes, and so also vary in their effects.
Increased levels of greenhouse gas in the atmosphere, produced by the burning of fossil fuels for transport and the production of electricity over the past 200 years.
Any event that significantly changes the environment of a particular species can cause them to become endangered or even to become extinct. If the temperature of the earth's a…tmosphere were to increase as little as 3 degrees on average, it would cause major changes in the trade winds which many bird species use for migration, which theoretically could cause their pattern to change resulting in reduced numbers. The food chain from single cells organisms living in the sea up to the to the "top" of the food chain - man, would be impacted as well. Think of the picture of the smallest fish being eaten by a larger fish being eaten by a still larger fish and so on. If the smallest fish dies, the next bigger fish has no food supply and so on up the food chain until the diet is diversified enough to be replaced.
In Animal Life
It's happening right now. The human race has or is about to wipe out as many species as the meteorite that hit the planet 65 million years ago and ended the reign of the dinos…aurs, which was about 90% of all life on earth.
If the meteorite is large enough it would knock enough dust intothe air to freeze the world. The dust could block out the sunlight.
In order to cause a mass extinction, something has to happen with worldwide (or nearly so) effects. In at least two of the mass extinction events for which we've determined a …likely cause, the cause was an astrobleme; an impact of a comet, asteroid or other celestial body with the Earth. In at least one other, the cause appears to have been massive volcanic eruptions, but after that long, we cannot yet determine the cause of the volcanism.
The main cause - is that we're still 'emerging' from the last ice-age... therefore temperatures will continue to rise. HOWEVER - the pollution emitted by man-made sources …is an accelerating factor that MUST be taken into consideration.