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Organisms with hard parts stand a good chance of being fossilized if they are?
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∙ 7y ago
Rapidly buried by sediments
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What types of body part can become fossilized?
Most of the time only the bones can be fossilized due to the fact that all other muscle/tissue are decomposed when they are under pressure.
What are the conditions needed for an index fossil to form?
An index fossil is formed from the remains of an animal that evolved and lived for a precisely defined (and hopefully short) period of time, they are used to define and identify geologic periods. The best index fossils are wide spread (globally) and numerous (commonly found). They frequently (but not always) bottom dwelling or burrowing organisms with hard parts to their body structure because such organisms are most likely to regularly leave remains that can be fossilized.
Trait that improves a species chance of survival?
Adaptation is a trait or structure that improves an organism's chance for survival and reproduction. Benthos is organisms that live on or near the ocean bottom, sometimes attached to surfaces.
What two parts make up an ecosystem?
The two parts of an ecosystem are Producers and Consumers. Producers are plants and other organisms that produce their own food. Consumers are the organisms that eat producers to survive.
Do all organisms become fossils?
No. The hard bones are more likely to form a fossil. The soft parts will degenerate over time. This is why most of the fossils from the Pre-Cambrian and Cambrian periods are mostly shells, not the actual animals that inhabited them.
If an organism has hard parts it stands a good chance of being fossilized if they are?
slowly buried by sedments {: -DR. SCRAPOLOTS
A worm would stand a poor chance of being fossilized because?
Worms are extremely soft, and therefore not able to be fossilized.
How do soft animal parts become fossilized?
Soft animal parts usually rot and do not become fossilized.
How do parts of living things become fossilized?
The parts of living things become fossilized when they are subject to a moist environment. Over time the living things are pressed into the moist ground and fossilized.
Which condition makes fossil formation of an organism's remains more likely?
One condition that best increases the chance that an organism will become fossilized is if the burial happens rapidly. Another condition that can increase the chance of an organism becoming fossilized is if the organism has hard body parts.
What part of an organism are usually fossilized?
The most usually fossilized parts of organisms are bones and shells. These are least likely to rot or wear away before they are buried and mineralised. In rare instances the soft parts of the bodies are preserved and are normally shown as thin films on the rock surface.
What is the fossil record and why why is it incomplete?
The totality of fossilized artifacts and their placement within the rock strata. It provides information about the history of life on earth, for instance what the organisms look like, where and when they live, how they evolved, etc. Second question 1: Only a very small proportion of organisms get buried quickly enough to prevent them decomposing 2: Not all organisms have hard parts 3; Sediments containing fossils are continually being eroded and removed along with their fossil content 4: metamorphism and deformation destroy fossils 5: many fossils are still buried in rocks not exposed at the surface 6: the sea floor in particular is being continuously recycled, so deep marine organisms are seldom preserved. To become a fossil an organism needs to have hard parts, die and be buried in an anaerobic environment very quickly, and then be preserved through geological time, without being destroyed by tectonism or metamorphism, or removed by erosion. These are pretty rare circumstances, so organisms becoming fossilized are the exceptions rather than the rule.
What is the fossil record why is it incomplete?
The totality of fossilized artifacts and their placement within the rock strata. It provides information about the history of life on earth, for instance what the organisms look like, where and when they live, how they evolved, etc. Second question 1: Only a very small proportion of organisms get buried quickly enough to prevent them decomposing 2: Not all organisms have hard parts 3; Sediments containing fossils are continually being eroded and removed along with their fossil content 4: metamorphism and deformation destroy fossils 5: many fossils are still buried in rocks not exposed at the surface 6: the sea floor in particular is being continuously recycled, so deep marine organisms are seldom preserved. To become a fossil an organism needs to have hard parts, die and be buried in an anaerobic environment very quickly, and then be preserved through geological time, without being destroyed by tectonism or metamorphism, or removed by erosion. These are pretty rare circumstances, so organisms becoming fossilized are the exceptions rather than the rule.
What part of plants are preserved as fossils?
All parts of plants have been fossilized.
Which of these parts of a saber toothed cat was most likely to become fossilized?
jaw
A footprint of an extinct dinosaur is an example of a fossil?
Yes, footprints that are preserved in rock, such as those of extinct dinosaurs, are fossils. Such fossils are known as ''trace fossils'' , as opposed to ''body fossils'' which are fossilized remnants of the hard parts of these ancient organisms.
Why do you not have many fossil records from the Precambrian era?
Most life-forms were single-celled, with no hard parts to fossilize.
