Answer:
If a whole specie of organisms has to survive, they should must possess the ability to reproduce and adopt to environmental conditions in better way.
For example: If a disaster occurs or a condition of unfavorable weather occurs, the specie will survive even if only few members remain alive. Because those members will reproduce and regrow the community.
The reason is this that reproduction is not important for the survival of one organism, like organism will still survive even if he do not reproduce, but if a whole specie has to survive and continue, reproduction is most important trait.
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The right option is; ice sheets
The only ice sheets that exist today are found in Greenland and Antarctica.
Ice sheets are masses of glacial ice that covers more than 50,000 square kilometers. The only ice sheets that exist on earth currently are found in Greenland and Antarctica. This two ice sheets contains most of the freshwater ice on earth. Ice sheets are formed during winter when snow falls and partially melts over the summer. The snow then accumulates to form dense and thick masses of glacial ice.
Sorry, I don’t know what the question is! You need to attach a photo or type it out next time!
The fossil record is the type of evidence that is used with molecular clocks to estimate the split from a common ancestor.
<h3>What is a molecular clock?</h3>
A molecular clock is an estimation of the times of divergence used for the study of biological phenomena.
Molecular clocks are based on fossils found for a given species and the mutation rate of a given genomic sequence.
In conclusion, fossils are used as point of reference to build molecular clocks based on the mutation rate of homo-logous nucleotide sequences for a given taxonomic group for which these fossils belong.
Learn more about molecular clocks here:
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