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Some organisms might have evolved features that are well-suited to their environment, allowing them to remain relatively unchanged over geological time. They may also have found a stable niche where their adaptations are successful, reducing the pressure to change. Additionally, the rate of environmental change and selection pressures in their habitat may be relatively low, limiting the need for significant evolutionary changes.
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What is geological bioturbation?
Geological bioturbation is the process where organisms, such as burrowing animals or bottom-dwelling organisms, disturb and mix sediments in the Earth's crust. This activity can create structures and patterns in the sediment layers, influencing the distribution and composition of rocks and minerals. It plays an important role in sedimentary processes and can provide insights into past environmental conditions.
Is thawing and freezing a geological?
chemical change
What is discontinuous change?
Death of a child
How did stromatolites change the planet?
Stromatolites, layered structures formed by the activity of microorganisms, particularly cyanobacteria, played a crucial role in changing the planet by producing oxygen through photosynthesis. This process, which began around 3.5 billion years ago, contributed to the Great Oxygenation Event, significantly transforming Earth's atmosphere and enabling the evolution of aerobic life forms. Additionally, stromatolites influenced sedimentary processes and ecosystem structures, helping to shape marine environments throughout geological history. Their presence marks some of the earliest evidence of life on Earth, underscoring their importance in the planet's biological and geological development.
What is geological Redox?
•Redox reactions can cause a change in volume •2Fe + 1.5 O2 > Fe2O3
Why do some oragnisms fail to change significantly througout geological time?
Organisms change significantly, or evolve in biological terms, only when there is a need for significant change. An example would be a natural disaster occurring, causing the founder effect or vast changes in the environment. This change in the environment might force a species to evolve unable to survive; those who don't have the needed adaptation would die out, leaving the "survivors" to reproduce. If no drastic change that would cause a need for adaptation occurred through geological time that pertained to a certain species, then no drastic change in the species itself would occur.
How does earth geological features affect the ability of organisms to live in different places?
Earth geological features affect the ability of organisms to live in different places because the temperatures change. Since animals and other organisms have different requirements to live, they have to live in different places.
What change occurred in Earth's atmosphere after the evolution of photosynthesizing prokaryotes?
The rapid rise of atmospheric oxygen illustrated in the geological record by layers of iron oxides.
What is geological bioturbation?
Geological bioturbation is the process where organisms, such as burrowing animals or bottom-dwelling organisms, disturb and mix sediments in the Earth's crust. This activity can create structures and patterns in the sediment layers, influencing the distribution and composition of rocks and minerals. It plays an important role in sedimentary processes and can provide insights into past environmental conditions.
What is Hutton's theory of geological change?
It is that that if the earth can change over time, then life can to.
Is thawing and freezing a geological?
chemical change
How do organisms change?
Organisms change by the differant cells that colide together.
How can a habitat change over time?
A habitat can change over time due to natural processes like climate change, succession, or geological events. Human activities such as deforestation, pollution, and habitat destruction can also significantly alter a habitat. These changes can impact the availability of resources, species composition, and overall ecosystem function.
Does the temperature at the equator change throughout the year?
it stays fairly constatnt throughout the year because it receives the same amount of direct light all year round (the light hits it almost directly overhead) but it can plummet significantly during rainstroms
What does The moon is geologically dead mean?
Because it is cold, has no atmosphere and no water then there is no geological change ie There are no tectonic plates There are no volcanos There is no wind erosion There is no frost erosion There are no rivers and therefore no water erosion There is no change due to living organisms eg sedimentation
Which natural process take the longest time to change earth's surface?
One of the slowest natural processes that change the Earth's surface is the movement of tectonic plates, which can take millions of years to significantly alter the landscape by forming mountains, valleys, and other geological features.
What change in an organisms surroundings that causes organisms to react?
stimulus
