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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).
In which layer of rock shown below are the fossils the youngest?
The fossils are typically found in the uppermost layer of rock, as sedimentary rock is formed from the accumulation of materials over time. Newer layers are deposited on top of older layers, meaning that the youngest fossils would be located in the most recent (top) strata. Therefore, the youngest fossils are in the layer that is highest in the sequence shown.
What layer is an old fossil found?
Fossils are typically found in sedimentary rock layers, which are formed from the accumulation of sediments over time. Fossils are most commonly found in the mid to lower layers of sedimentary rock formations. The specific layer in which a fossil is found depends on the age of the fossil and the geological history of the area.
Is a thin layer of carbon from the remains of a plant that lived thousands of years ago a fossil?
Yes, a thin layer of carbon from the remains of a plant that lived thousands of years ago can be considered a fossil. Fossils are preserved remains or traces of ancient organisms, and this carbon layer fits that definition.
Which of the following is most accurate in helping pinpoint a time period on the geologic time scale during which a rock layer was formed?
Fossils found in the rock layer are the most accurate method for pinpointing a time period on the geologic time scale. By identifying the specific types of fossils present, scientists can determine the age of the rock layer relative to the known age ranges of those fossils.
Where are the oldest fossils formed in?
The 4th layer of soil >.<
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 is an extremely thin coating of carbon on rock carbon on rock?
An extremely thin coating of carbon on rock is called carbon film. It forms when organic matter decomposes and leaves behind a thin layer of carbon on the surface of the rock. Carbon films are often preserved in fossils and can provide valuable information about the ancient environment.
In which layer of rock shown below are the fossils the youngest?
The fossils are typically found in the uppermost layer of rock, as sedimentary rock is formed from the accumulation of materials over time. Newer layers are deposited on top of older layers, meaning that the youngest fossils would be located in the most recent (top) strata. Therefore, the youngest fossils are in the layer that is highest in the sequence shown.
What layer is an old fossil found?
Fossils are typically found in sedimentary rock layers, which are formed from the accumulation of sediments over time. Fossils are most commonly found in the mid to lower layers of sedimentary rock formations. The specific layer in which a fossil is found depends on the age of the fossil and the geological history of the area.
What is the function of the spongy layer in plant leaves?
The spongy layer in plant leaves helps with gas exchange, allowing for the exchange of carbon dioxide and oxygen during photosynthesis.
Is a thin layer of carbon from the remains of a plant that lived thousands of years ago a fossil?
Yes, a thin layer of carbon from the remains of a plant that lived thousands of years ago can be considered a fossil. Fossils are preserved remains or traces of ancient organisms, and this carbon layer fits that definition.
Which of the following is most accurate in helping pinpoint a time period on the geologic time scale during which a rock layer was formed?
Fossils found in the rock layer are the most accurate method for pinpointing a time period on the geologic time scale. By identifying the specific types of fossils present, scientists can determine the age of the rock layer relative to the known age ranges of those fossils.
Which layer is most likely to contain fossils that resemble existing species?
new layer of the fossils
What do geologist use index fossils for?
to date a rock layer and other fossils within that layer
What type of rock layer are tertiary fossils usually found in?
Tertiary fossils are usually found in sedimentary rock layers. Sedimentary rocks are formed by the accumulation and compression of sediments over time, making them a common host for preserving fossils from the Tertiary period.
What layer of soil is the most newly formed?
The top layer of soil, known as the O horizon or organic layer, is typically the most newly formed as it consists of freshly fallen organic materials like leaves and twigs.
