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Sveta_85 [38]
3 years ago
5

1.) Which of the following factors would affect population distribution but not size in a given country?

Biology
2 answers:
Pani-rosa [81]3 years ago
4 0

1. C

2. C

3. D

4. D

Explanation:

1.

Population distribution is how the individuals of the population are spatially distributed across the habitat. For example, It could be uniform distribution where spaces between individuals are more or less equal on average or clustered form of distribution where they are many individual clustered at different points.  

2.

Carrying capacity is the number of individuals of a population that a habit can sustain indefinitely because they allow for the resource to replenish. If the population exceeds the carrying capacity, it becomes unsustainable and the population will likely experience in ‘burst’ in population size. A decrease in the number of resources therefore also means a decrease in the carrying capacity.

3.

Population is related to one species while a community is to many species in a habitat. Therefore population density is the number of individuals of a species, occupying a habitat, per square area. The higher this figure the higher the population density.

4.

Density-dependent factors mean that these factors are influenced by the density of the population. In this case rate of infection of the disease is dependent on the density of the population The higher the density the higher the infectivity and vice versa.

noname [10]3 years ago
3 0

Answer No 1) The correct option is C) individuals moving from one region of the country to another region of the same country

Explanation:

Population distribution can be described as the population of organisms in a certain area.

Individuals moving from one plane to another will cause the population distribution of that area to change. However, as the migration will occur inside the same country, the size of the population will remain the same. Hence, the correct option is C.

Answer No 2)

<em>The correct option is C) The resources available for the population have decreased.</em>

Explanation:

Carrying capacity can be described as the number of organisms in a particular population that an area can hold. The more the resources available in an ecosystem, the more will be the carrying capacity. The lesser the number of resources in an area, the lesser will the carrying capacity of that area. Hence, the correct option is C.

Answer No 3) The correct option is D) the number of African elephants (Loxodonta africana) per square mile

Explanation:

Population density can easily be described as measurement of population is a given area. Population density is calculated by dividing a particular population with the area. As option D, represents the dividing of the number of African elephants with the area hence it is the correct option.

Answer No 4) The correct option is B) density-independent factors.

Density independent factors can be described as the factors which are not dependent on the population of an area. As the scenario in the question reflects that a disease is occurring more in a city irrespective of the population density, hence it will be a density independent factor.

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