Explanation:
Speciation occurs when a group within a species separates from other members of its species and develops its own unique characteristics. The demands of a different environment or the characteristics of the members of the new group will differentiate the new species from their ancestors.
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Im pretty sure it is producer
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Answer:
Depolarization.
Explanation:
The electric membrane potential or cell potential may be defined as the difference in electric potential inside and outside of the cell. The membrane potential is important for the generation of action potential.
The opening of sodium channels in the membrane neuron causes the influx of sodium ions in the cells. This changes the membrane potential towards more positive and the cells depolarize.
Thus, the correct answer is option (A).
The answer could be the fact that all species posses 23 universal proteins. These proteins vary slightly in some DNA sequences but are pretty much the same. These proteins are responsible for tasks such as DNA replication and translation from DNA to proteins. These activities are crucial to all forms of life. The presence of these universal proteins suggest that modern life evolved from a single common ancestor.
Answer: What substances dissolve in ocean water.
This is the only question that can be answered through scientific investigation because it is the only question that can be tested. The other questions cannot be answered through scientific investigation because they based on opinions which are more abstract.