Physical anthropologists have discovered what about vocalization in chimp groups It is unique to specific groups or regions.
Like other animals, primates use communication to meet their biological and social needs, which include fending off predators, interacting with other group members, and preserving group cohesion while moving across the environment.
They accomplish this by using a variety of signals, many of which have directly developed as ritualized abridgements of more fundamental physiological or behavioral processes.
For instance, during disputes, chimpanzees may exhibit pilo-erection (bristling of the hair), which gives them the appearance of being bigger and more menacing and indicates their propensity to escalate (van Hooff 1973).
Thus, communication signals have developed to some extent in order to influence recipients mentally (Guilford & Dawkins 1991).
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Answer:
C
Explanation:
The Mediterranean has very few natural currents, because of the narrow inlet that exists between the Mediterranean and the Atlantic Ocean.
The answer would be California
Answer:
The independent variables are the level of tiredness and the number of hours slept by the volunteers.
Explanation:
Independent variables are those that act on the dependent variables influencing a result, which can be observed by the researcher. In summary, the independent variable is one that can influence. In the case of the question above, we can see that the number of hours slept by the volunteers influenced the level of tiredness of the volunteers. These two variables were able to influence the level of proactivity and performance of the volunteers in their activities, which allows us to determine that these two variables are the independent variables of the study.
There are ADVANTAGE of legalizing baby bins or baby hatches which are typically used to leave the newborn babies by their parent who do not want them for certain reasons and abandon them there.
This can save many lives of the newborns as the other way people might choose is killing the babies or abandoning them at places where no one might ever find them.
The baby left there will have a positive opportunity to flourish in the society unlike the one left at street as the hatches are monitored by law.
There can be some DISADVANTAGES as well to the scheme as it might help promote immoral behaviors in society. A key factor in stopping immoral activities is the fear of society, and baby bins remove that fear. Another risk can be of an increasing tendency of rapes where people might think its OK to give birth to children and then leave them to baby bins.
