Answer:
B
Mutation is the ultimate source of genetic variation, but mechanisms such as sexual reproduction and genetic drift contribute to it as well Because prokaryotes are haploid, such a mutation immediately become part of the genetic makeup of the cell unlike eukaryotic diploids where a normal second copy of the gene usually protects the cell from the potentially lethal effect of such a mutation.
Answer:
the left handedness was a recessive trait and skipped one or maybe multiple generations
Explanation:
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I believe rottening would be the answer. Rotting, dead plants and animal feaces make great fertilizers.
Answer:
Warm air rises, creating a low pressure zone; cool air sinks, creating a high pressure zone.
Answer:
A feedback loop is a biological occurrence where the output of a system amplifies the system (positive feedback) or inhibits the system (negative feedback).
Explanation:
Example, during blood clotting, a cascade of enzymic proteins acitvates each other, leading to the formation of fibrin clot that prevents further blood loss.
