Guanine-Cytosine & Adenine-Thymine
The first is gene sequencing. This allows the sequence of nucleotides on DNA of different organisms to
be identified. The sequence is then compared the bigger the difference in this sequence,
the stranger the organisms are with regards to the evolutionary relationship.
<span>The second is
carbon dating. This enables anthropologists
to determine the age of fossils by calculating the time taken, in half-lives,
by particular elements to decay, such as carbon-14 </span>
Answer:
Over our lifetime, our DNA can undergo changes or mutations that result in differences in the DNA sequence and may affect the proteins that are made. Mutations can occur as a natural consequence of errors in DNA replication or as a result of exposure to environmental factors such as smoking, sunlight or radiation.
Explanation:
Interaction between species is called parasitism, as option D shows.
<h3>What is parasitism?</h3>
- It is a disharmonious relationship between two living beings.
- It is a relationship where only one of the individuals benefits while the other suffers harm.
A parasite is a living being that takes advantage of another living being's resources, stealing them completely. An example of this is the strangler fig which uses the structure of another plant to get sunlight and nutrients.
The strangler fig does not supply the host plant with anything, but absorbs its nutrients and prevents it from receiving sunlight, causing it to slowly die.
In this case, we can see a clear example of parasitism.
Learn more about parasitism at the link:
brainly.com/question/16712707
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