Examlex
Earth's magnetic field has reversed nine times in the last four million years.
Chromosomes
Thread-like structures located inside the nucleus of animal and plant cells, made of protein and a single molecule of deoxyribonucleic acid (DNA).
DNA
Deoxyribonucleic acid, a self-replicating material present in nearly all living organisms as the carrier of genetic information.
Human Trait
A characteristic or quality that can be used to describe or identify an individual, which can be physical, psychological, or behavioral.
Adaptive
The ability or tendency to change or adjust in response to changing conditions or environments.
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