Natural selection can cause speciation, which increases the biodiversity of an ecosystem. Several bacterial colonies are placed on a petri dish that contains agar with antibiotics. After 24 hours, ninety percent of the original bacteria die, but the remaining ten percent survive and later reproduce.
Answer:Dna
Explanation:
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Trans fat are fats found in thinks like sticks of margarine, snack foods, baked goods, and some fried foods. Trans fats are created when vegetable oils have hydrogen atoms added to them (or hydrogenated). Trans fats can raise cholesterol and increase the risk of heart disease.
