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What is the difference between earth and a star?
star is a huge mass of gas, where as earth is a planet
Which phenomenon has been responsible for mass extinctions?
Mass extinctions have been primarily caused by catastrophic events such as asteroid impacts, volcanic eruptions, and climate changes. These events can disrupt ecosystems, leading to widespread loss of species and biodiversity.
Is the mass of the moon greater than the mass of the earth?
No, the mass of the Earth is greater than the mass of the Moon. The Earth's mass is approximately 81 times greater than the mass of the Moon.
What is the mass of Venus's compared to earth?
The mass on Venus compared to Earth is 80%.
Large craters found on earth support the hypothesis that impact events have caused?
mass extinction events throughout history. These craters provide evidence of the catastrophic effects of asteroid or comet impacts on the Earth's surface, leading to significant environmental changes and extinction events. Scientists study these craters to better understand the impact events and their potential implications for future planetary protection.
What affects have mass extinctions had on the history of life?
Mass extinctions have had a profound impact on the history of life by dramatically altering the diversity and composition of species. They have caused major shifts in ecosystems and have created opportunities for new species to evolve and adapt. Additionally, mass extinctions have played a key role in shaping the evolutionary trajectory of life on Earth.
How many mass extinctions have occurred in the past 4 billion years on earth?
There have been five mass extinctions in the past 4 billion years on Earth. These events resulted in the widespread loss of species and fundamentally reshaped the evolution of life on our planet.
What has changed most of the mass extinctions on earth?
climate change
The fossil record indicates that Earth has experienced?
5 mass extinctions
Why do you think most extinction's occur as background extinctions?
Most extinctions occur as background extinctions because they are longer time periods unlike the shorter mass extinctions which there were only two in the Paleozoic era, the Ordovician mass extinction, and the Permian/Triassic extinction in which 95% of all marine animals became extinct
Why mass extinctions occur and why they often mark divisions of geologic times?
Mass extinctions occur when extreme temperatures happen.https://science.howstuffworks.com/life/evolution/extinction3.htm
When geologists refer to the big five' what are the referring to?
When geologist refer to the Big Five they are referring to the five mass extinctions on Earth. Some of these extinctions are the Paleozoic and Mesozoic eras.
What are mass extinctions followed by?
Mass extinctions are usually followed by long periods of low or absent population. Some species always survive a mass extinction, following the Darwinian law of survival. When the dinosaurs died out the mammals began to prevail and eventually took over.
When geologists refer to the Big Five what are they referring to?
The Big Five refers to the five major mass extinctions in Earth's history. These events were responsible for a significant loss of biodiversity and reshaped the course of evolution.
What was the outcomes of each of the mass extinctions?
The outcomes of each of the mass extinctions is that animal and/or bacteria die.
When geologist refer to the big five what are they referring to?
When geologist refer to the Big Five they are referring to the five mass extinctions on Earth. Some of these extinctions are the Paleozoic and Mesozoic eras.
What mass extinctions in the tertiary period?
it killed 99.9999999999999991% of the worlds life including plants and mammals
