Hardy and Weinberg’s work determining how allele frequency changes (C)
All energy ends up as thermal energy, which is replenished every day by the concentrated energy from the sun.
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Answer:
Letter C
Explanation:
Salmon have a physiological adaptation that allows osmoregulation to occur in two different environments (seawater and freshwater). There are specific molecules in the salmon gills that "pump" and "remove" Na and Cl ions. When at sea these molecules pump the ions out of the salmon's body and into freshwater, the same molecules remove Na and Cl from the water bringing it into the animal's blood.
Organisms in a population must compete for resources in order to survive: true.
Answer:
ans The resident time would be zero because carbon is released as soon as it is absorbed