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statuscvo [17]
3 years ago
15

How are fossils used to date organisms?

Biology
1 answer:
kondor19780726 [428]3 years ago
3 0
Absolute dating is used to determine a precise age of a rock or fossil through radiometric dating methods. This uses radioactive minerals that occur in rocks andfossils almost like a geological clock. It's often much easier to date volcanic rocks than the fossils themselves or the sedimentary rocks they are found in.
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How do the structures in an organism relate to their functions?
finlep [7]

The study of the relationship between structures and functions is at the very heart of biology. This relationship is expressed in living beings by the adaptation of the first to the second and poses a series of absolutely fundamental problems, such as the relationship between causality and finality, analogy and homology, structural improvement and evolutionary level, etc.

For example, the structure of the hand is related to its function, thanks to the fingers and the thumb it is easy to wear and store objects.

The zigzag structure of the intestine is related to its absorption function, as this makes it possible to increase the contact surface between the alimentary bolus and the intestinal wall, and thus to increase the absorption.

7 0
3 years ago
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5 factors that affect lung capacity
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Age- younger people have smaller capacity
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muscle mass
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3 years ago
What percent of the offspring will receive the recessive phenotype when crossing two heterozygous individuals? assume normal dom
Irina-Kira [14]

The answer is 25%. The other 75% will have dominant phenotype. However, in the dominant phenotype, 25% have a homozygous dominant genotype, while the remaining 50% have a heterozygous genotype. Find attached a punnet square that will clearly illustrate this;






7 0
3 years ago
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Adrian is recovering from schizophrenia. She has been taking high doses of antipsychotic medications for a very long period of t
Tamiku [17]

Answer:

Tardive dyskinesia.

Explanation:

Schizophrenia may be defined as the condition in which the individual is unable to accept reality and interpret the reality in different ways. The symptoms are hallucination, disrupted speech and nehativity.

Tardive dyskenia is the medical condition in which the individual cannot control their hand and body movements. This condition might occur due to the medication that have been taken to treat the schizophrenia. The drugs inhibits the effects of dopamine that causes tardive dyskenia.

Thus, the correct answer is option (b).

8 0
3 years ago
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Cell theory states that all living things contain one or more cells. Why do you think cell theory meets the definition of a scie
kirill [66]

Yes, I think the cell theory is a scientific theory because its statements are testable and verifiable.

<h3>What is a scientific theory?</h3>

A scientific theory is a well-sustained statement based on different types of scientific evidence.

A scientific theory must be testable, which means that it can be confirmed or rejected by using the scientific method.

In conclusion, the cell theory meets the definition of a scientific theory because it is testable and verifiable.

Learn more about scientific theories here:

brainly.com/question/11555274

brainly.com/question/1594446

#SPJ1

5 0
2 years ago
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