merits and demerits of animal lives in a Group
Answers
There are a few merits and demerits to living in groups. Benefits include cooperative care (so others to help them look after their offspring), ability to gather food, more eyes to look out for predators. Disadvantages include the increased risk of disease transmission, increased competition for food and increased competition for mates. It is hard to say whether there would be a limit to group size because there are driving factors other than food which predict group size. How they gain authority is really species dependent – some species will fight for position and the alpha male (or female) will win – like wolves, chimps, gorillas. In other species the role is passed down – as we see in elephants – where there isn’t really a tussling for top position. Hierarchy can be very important for some group living animals and less important for others – some have really strict social hierarchies whereas others may be more fluid. All depends on the species and sometimes even the individual social group.
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