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Paleontology
Paleontology is the study of prehistoric life and an organism's interaction with other organisms and the environment. It is a science that attempts to explain causes, rather than to conduct experiments to observe effects, and is often based on fossil evidence. Questions here have to do with anything that pertains to paleontology.
3,044 Questions
Geyserite is a type of siliceous sinter, a form of opaline silica that is deposited around geysers and hot springs. It forms when hot water dissolves silica underground and then brings it to the surface where it precipitates out as the water cools, creating a characteristic white to gray mineral deposit. Geyserite can often be found encrusting the edges of geyser basins and pools.
What is produced when a cavity is filled with solid matter?
When a cavity is filled with solid matter, it forms a solid filling material. This filling material helps restore the shape, function, and integrity of the tooth. It prevents further decay and strengthens the tooth structure.
What is a type of sediment of which the particles are larger than clay but finer than sand?
The mineral component of soil texture is comprised of three types: sand is the largest, silt is next, and clay is the smallest. Soil also contains varying amounts of organic matter, flora and fauna.
How is relative time of geologic events recorded?
Geologic events are recorded using relative dating techniques such as stratigraphy, which involves studying the layering of rocks to determine the sequence of events. Other methods include comparing the fossil content of different layers or using principles like the law of superposition to establish the relative timing of events. These techniques help geologists establish the chronological order of events without assigning specific numerical dates.
A cast fossil is formed when an organism dies and leaves an impression in sediment. Over time, this impression can fill with minerals, creating a replica of the organism's shape. The original organism then decays or is washed away, leaving behind the cast fossil.
A hydrogeologist is a scientist who studies the distribution, movement, and quality of underground water. They investigate how water interacts with rocks and soils in the ground, and play a key role in managing and protecting groundwater resources.
What are some characteristics of rocks?
1. They are solidified.
2. They are composed of combinations of minerals.
3. They erode when exposed to weather.
4. They can change into other rocks under certain conditions.
5. They possess a color.
6. They have an age.
Rocks are a solid. Rocks are made of minerals. Rocks are made by: a) the solidification of magma or lava, b) metamorphosis of other rock types, c) accumulation and sedimentation of other rock particles. Rocks vary in weight due to air inclusions or mineral content.
Sizes, Shapes, and Colors they are the characteristics. the texture and shape dispensers
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The characteristic of rocks are :
- They are solid
- Some are Big
- When the temperature is low it decrease in size and when the temperature increases the rock become bigger.
What is the food-processing organ on a flowering plant and where is it usually located?
The food-processing organ on a flowering plant is in the leaves. The leaves are where the chloroplasts are and they are the organelle of a cell in which photosynthesis takes place.
The insect fossil would be examined for revelations about it's physical attributes and compared to other identified fossil and living insets. If the insect is unknown, it would be classified as a new species.
Why do you think people keep looking for dinosaur fossils?
People keep looking for dinosaur fossils because they provide important insights into Earth's history, evolution, and the prehistoric world. Studying dinosaur fossils helps scientists understand how these creatures lived, evolved, and interacted with their environment, leading to advancements in paleontology and our understanding of the natural world.
Is tree decomposition bad for the environment?
no i dont think so....if the tree decomposes...then it will mix with the soil and change into a fossil fuel...and fossil fuels are useful...arent they? A normal rate of tree decomposition is good as it aids the forests to get rid of older trees to make way form new trees. It also enriches the soil once fallen. If the rate is high due to diseases or insect infestation, then no becase too many trees are being attacked.
What are the main methods and concepts in paleontology?
There are 2 main scientific methods that explain ethology. 1 is classical ethology, and the other is animal pychology. Classical ethology as explained by Charles Darwin says that animal have an inate or instinctual ability to survive. There behaviors are not taught ,but automatically known. There is a pre- programed gene in which these animals access the ability to survive natural selection.
Animal pychology the role of learning. As seen Pavlovs bell, animals have the ability to learn. The can connect a conditioned stimuli with an unconditioned response, and thus create a conditioned response. This is a long process, but animals can and have shown the ability to associate and learn new things. Behaviorism which originated with John B. Watson is the belief that behaviors can be measured, trained, and changed. This is stimulus Response, the muscular, and glandular response that we can observe.
What are some of the fossils found in the Appalachian Plateau area?
Fossils found in the Appalachian Plateau area include trilobites, brachiopods, bryozoans, crinoids, and ammonoids. These fossils provide valuable information about the marine environments that existed in the region millions of years ago.
Why does air pressure decrease as temperature increases?
As air temperature increases, the air molecules gain more energy and move faster, leading to an increase in pressure against the walls of the container. However, the increased molecular motion also makes the air less dense, causing it to expand and exert less pressure overall. This results in a decrease in air pressure as temperature increases.
uridium is sort of like a premium version of credits they are harder to accumulate and they can get you a lot of premium or really good stuff that most people in Darkorbit don't have.
Here is a fast way to get uridium:
on a phone text Big 67787518 to 842-14
A limestone fireplace is moderately expensive. Limestone fireplaces range on different prices depending on what you use to make them. The average price is $500.
What Some funny things about your planet earth?
Air pollution in China is visible from space. The Great Wall of China is not visible from space. An Earth day is actually 23 hours, 56 minuets, and 4 seconds long. Lightening strikes 8.6 million times a day. Ninety percent of all volcanic activity happens in the oceans. Ninety-nine percent of Earth's gold is located in its core.
What was the environment like compared to the environment of the Silurian Period?
There were continents and oceans as we have them now but they were not in the positions they now there were probably just two , Gondwanda and Euramerica.
During the Silurian, Gondwana made a slow southward drift to high southern latitudes, but there is evidence for Silurian icecaps Euramerica was located near the equator A vast ocean called Panthalassa covered most of the northern hemisphere. Other minor oceans include the Proto-Tethys and Paleo-Tethy, the Rheic Ocean, a seaway of the Iapetus Ocean and the newly formed Ural Ocean. During this period, the Earth entered a long warm greenhouse phase, and warm shallow seas covered much of the equatorial land masses. Early in the Silurian, glaciers retreated back into the South Pole until they almost disappeared in the middle of Silurian. The period witnessed a relative stabilization of the Earth's general climate, ending the previous pattern of erratic climatic fluctuations. Layers of broken shells (called coquina) provide strong evidence of a climate dominated by violent storms generated then as now by warm sea surfaces. The Silurian also saw the first extensive colonisation of the land by plants and we first period to see macrofossils of extensive terrestrial biota, in the form of moss forests along lakes and streams. Otherwise the land would have appeared bare of life.
The first fossil records of vascular plants, that is, land plants with tissues that carry food, appeared in the second half of the Silurian period.
What are the uses of microfossils in geology?
Microfossils are used in geology to determine the age of rock layers through biostratigraphy, to reconstruct past environments and climate conditions through assemblages, and to understand the depositional environments of sedimentary rocks. They can also provide insights into the evolution of life and help in correlating stratigraphic sections across different locations.
Does a mineral always contain certain elements in definite proportions?
No, a mineral does not always contain certain elements in definite proportions. While minerals have a specific chemical composition, the proportions of elements can vary within certain limits and still be considered the same mineral.
When clouds form condensed droplets of water form around which what?
Clouds form when water vapor in the atmosphere condenses into liquid droplets around tiny particles like dust, pollen, or pollution. These particles act as nuclei around which the water vapor can condense and form visible clouds.
The Archean era is a geologic eon that spanned from around 4 to 2.5 billion years ago. It is characterized by the formation of the first continental crust, the presence of early life forms like single-celled organisms, and the development of the atmosphere and oceans on Earth.
Do conditions in a steppe climate depend on altitude?
Altitude can influence the conditions in a steppe climate by affecting temperature and precipitation patterns. Higher altitudes in steppe regions tend to have cooler temperatures and possibly more precipitation due to orographic effects, while lower altitudes may experience hotter and drier conditions characteristic of a steppe climate.
Does Tiktaalik Roseae serve as evidence for evolution?
Tiktaalik's fin bones were not connected to its main skeleton, and so could not have supported its weight out of water. And the similarity between species could also reflect common design.
Answer
Isn't the modern mudskipper evidence enough?
Answer
No. Recent discovery of the prints of a four-footed animal that dates in evolutionary terms at 18 million years earlier than Tiktaalik have forced scientists to reconsider their earlier assumption that Tiktaalik represented a missing link.
Answer
Tiktaalik serves as simply another transitional form linking the evolution between two groups of animals, akin to Archaeopteryx. It has become landmark but more work remains to be done. As new fossils are uncovered Tiktaalik will be likely be moved around the evolutionary tree.
