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castortr0y [4]
3 years ago
5

What do index fossils tell scientists about the area? ​

Biology
2 answers:
rewona [7]3 years ago
8 0

Answer:

Every fossil tells us something about the age of the rock it's found in, and index fossils are the ones that tell us the most. Index fossils (also called key fossils or type fossils) are those that are used to define periods of geologic time

Explanation:

Alexeev081 [22]3 years ago
7 0

Answer:

index fossils are the ones that tell us the most.

Explanation:

Index fossils (also called key fossils or type fossils) are those that are used to define periods of geologic time.

Hope that this helps you and have a great day :)

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LOTS OF POINTS!?!?!Where does the CO2 in the atmosphere come from?
allochka39001 [22]

Answer:

Carbon dioxide is added to the atmosphere naturally when organisms respire or decompose (decay), carbonate rocks are weathered, forest fires occur, and volcanoes erupt. Carbon dioxide is also added to the atmosphere through human activities, such as the burning of fossil fuels and forests and the production of cement.

Explanation:

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Why do different individuals of the same species have different traits?
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Individuals of the same species have different traits because they have different genes which code for different proteins. B would be the correct option.

<h3>Variations</h3>

Organisms of the same species can have different traits due to a difference in their proteins.

Genes are responsible for proteins and proteins are an expression of traits. Thus, with different proteins come different traits.

Hence, once there is a difference in the DNA sequence of organisms, different proteins will be produced, and different traits will be expressed.

More on variations can be found here: brainly.com/question/17598399

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2 years ago
Is the climate exactly the same all over the world
Nimfa-mama [501]
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7 0
3 years ago
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A 17-year-old male is brought to the emergency department for treatment of injuries received in a motor vehicle accident. A spin
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Cervical and Thoracic areas.

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7 0
3 years ago
In humans, syndactyly (webbed digits) is inherited by possession of a dominant allele (S). If a man who is homozygous and normal
____ [38]

Answer:

The % of children with webbed digits is 50%

Explanation:

Given -

Syndactyly or webbed digits are due to the presence of  a dominant allele (S). Then the allele for normal digits would be represented by allele "s"

A normal man with normal digits and genotype "ss" marries a woman with webbed digits and has a hetrozygous genotype i.e "Ss"

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Out of four 2 offspring with genotype ss have normal digits and remaining two offspring with genotype "Ss" have webbed digits. Thus, the % of children with webbed digits is 50%

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