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Fossils can reveal an incredible amount of information. Fossils show us what kinds of organisms lived in what places and when they lived there. Fossilized leaves can tell us the average temperature of an area (the higher the ratio of serrated leaves to leaves with an even edge, the colder the average temperature). Thanks to fossils, there is hard evidence for the theory of plate tectonics (that continents drift slowly over time).
We can learn things about a specific organism, too. For example, the teeth of an animal can tell us what it probably ate, the bones from limbs tell us how it moved and even how quickly.
Fossils also can show us how organisms evolved over time.
Of course, this is just the tip of the iceberg as far as the immense amount of knowledge that has been gained by studying fossils.
Fossils tell a lot about animals that lived long ago, especially different species that may not exist today. For example, fossils have told scientists much about dinosaurs' feeding habits, habitat locations, and bone structures.
Fossils can reveal a huge variety of things about an organism. Here are just a few:
1. Where a fossil was found tells us where the organism lived. What layer of rock or sediment it was found in tells us how old it is.
2. We can find out what the organism is similar and/or related to by comparing it with other organisms.
3. We can find out an organism's size and what it looked like.
4. In the case of animals, we can determine diet by the teeth, jaws, and sometimes remnants of food in the stomach that was also fossilized.
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What can changes in the fossils of a single organism over time reveal?
how the species evolved
What is body fossils?
fossils that are made from parts of an organism's body
What do fossils tell scientists about living things?
Fossils reveal what organisms lived before us.
What does a karyotype reveals?
It can reveal the sex (gender) of an organism. It can also reveal whether the organism has the correct number of chromosomes or not.
What fossils are in Death Valley?
what fossils reveal about things that lived in death valley
Fossils in which replace all or part an organism?
Fossils created when minerals gradually replace the organic material of an organism, preserving its shape and structure, are called petrified fossils or replacement fossils. Over time, the original material is dissolved, and minerals fill the space, creating a fossilized replica of the organism.
What fossils are helpful to geologist because they reveal the relative ages of the rock layers in which they occur?
Those types of fossils are called index fossils.
What are two kinds of fossils?
Two kinds of fossils are body fossils, which preserve the actual remains or impressions of an ancient organism, and trace fossils, which are indirect evidence of an organism's activity, such as footprints or burrows.
Can fossils be stored in amber?
Any organism or parts of an organism counts as a fossil when preserved within amber, so fossils can be stored in amber.
What fossils formed when an organism dissolves and leaves an empty space in a rock are called?
Fossils formed when an organism dissolves and leaves an empty space in a rock are called molds. Molds are negative imprints of the organism's shape left in the surrounding rock.
What are the five types of fossils that can be found in rock?
Five types of fossils found in rocks are petrified fossils (minerals replace organic matter), mold fossils (imprint of an organism), cast fossils (mold filled with minerals), carbon films (thin layer of carbon residue), and trace fossils (evidence of organism's activity).
What are the difference types of fossils?
Mold fossils- an empty space is left when an organism is buried in sedimentary and it decays.Cast fossils- Minerals in rocks fill space left by a decayed organism.(replica)Trace fossils- Markings left by an animal. (footprints, trail, or burrow)Petrified fossils- Minerals penetrate and replace all or part of an organism.Imprint fossils
