Characteristics determined by genes are predisposed by their genetics, whereas characteristics determined by the environment are developed, not predisposed at birth.
The study of distribution of living organism is kow as demography, while studying their fosils is known as paleantology.
Answer:
The presence of nitrogen and phosphorus, as well as the disrupted food chain of the Dead Zone, create favorable conditions for cyanobacteria, microflagellates and dinoflagellates, organisms accountable for the formation of purple tides
Explanation:
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DNA are segments of genes that form tight coils called chromosomes