Answer:
The effect of an external physical factor on cell division is clearly seen in density-dependent inhibition, a phenomenon in which crowded cells stop dividing. ... When cells have formed a complete single layer, they stop dividing (density-dependent inhibition).
Explanation:
Most fearures of the earth si terristrial, thick, out layer
The time that it would take for the population to double is about 7 years.
<h3>What is population?</h3>
The population of an area refers to the number if people that live in that particular area per time. The life expectancy of a population is increased by adequate sanitation. When there is over population in an area, it can lead to malnutrition and decreased food production.
A density dependent factor that affects population growth is disease transmission. The countries with the highest populations in the world do not necessarily have the fastest population growth. One factor that has led to lower fertility rates in Europe and North America is educational opportunity for women.
The occurrence which is not a potential consequence of Earth reaching its global capacity is less spread of disease.
Using;
P= Poe^rt
P = 74,000
Po = 37,000
r = 0.1
Hence;
74,000 = 37,000e^0.1t
74,000/37,000 = e^0.1t
2 = e^0.1t
ln2 = 0.1t
t = ln2/0.1
t = 7 years
Learn more about population growth: brainly.com/question/12228859
Answer:
There are limits on the size of structures such as cells that depend on diffusion to interact with the environment.
Explanation:
There are limits on the size of structures such as cells that depend on diffusion to interact with the environment. As cell volume increases, the area of the cell membrane does not keep relative pace. ... So the reason there are no huge cells is that therer is a limit to their size because of the surface area/volume ratio.
