Answer:
Hierarchical diffusion is one of six ways cultures can spread around the world (what we call ‘types of cultural diffusion’). What makes hierarchical diffusion unique is that it involves the spread of culture starting from the most powerful and influential people within the culture.
Once the influential people embrace a certain culture, the rest of the culture are more likely to follow.
Explanation:
Istanbul. It's Istanbul, not Constantinople!
The factors that accounted for the population growth are birth date, death rate, immigration, and emigration.
The following information should be considered:
- The birth date deals with the no of babies born at the particular time period. If there is an increase in the birth rate, so the population should increase and vice versa.
- The death rate deals with the no of deaths during a particular time period. If the death rate is increased so the population should decrease and vice versa.
- Immigration deals with the movement of the people are in the place. If immigration is increased so the population should be high.
- Emigration means the movement of the people that are out of the place. If it is increased so the population is decreased.
Therefore we can conclude that the factors that accounted for the population growth are birth date, death rate, immigration, and emigration.
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Answer:
The invasive s p e c i e s tend to diminish the populations of native s p e c i e s because they outcompete them, and also manage to disturb the ecosystem.
Explanation:
The invasive species can or cannot be dangerous for the native biodiversity, but unfortunately, it is the second one that is much more common. The reasons as to why the invasive species tend to threaten the biodiversity are that they often don't have a native predator that will control their numbers, outcompete the native species for resources, and the native species don't have defense mechanisms against them. These factors result in havoc in the ecosystem in a relatively short period, with the potential to totally destroy it and changed it.
There are thousands of examples of invasive species around the world, some much more obvious than others. The Burmese pythons in Florida for example, have started to overtake the a p e x predator niche from the alligators by directly attacking them. On the other side of the world, in Australia, the cats and rabbits have contributed to leading hundreds of native species on the verge of extinction, and if there hasn't been human intervention there is a very high chance that a lot of native species would have been already extinct.
