compared to Type Bs, Type As had higher levels of stress hormones
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Answer and Explanation:
Observing population directly gives you accurate result .
Direct observation does not need any intermediary as they themselves go for survey.
So, it is cost efficient.
Whereas indirect observing may involve manipulations.
It requires someone or many to hire who helps in surveying.
It incurs cost.
Thus, direct observation is always better than indirect observation.
The Eukarya domain.
The organisms can be divided into three domains, based on the type of cell that the organism is made of:
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Bacteria domain: cells do not contain a nucleus.
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Archaea: cells don't contain a nucleus and they have a different cell wall from bacteria.</span><span>
Eukarya: </span></span>They keep their genetic material inside the nucleus. Composed by animals, protists, plants and fungi