answersLogoWhite

0

there are many reasons a population or organisms would increase or decrease. some reasons are diseases, predator increase/decrease, good/bad weather, and enough/not enough resource's. :) yep

User Avatar

Wiki User

13y ago

What else can I help you with?

Related Questions

Reasons for rapid increase in population?

Immigration, decrease in infant mortality, increase in birth rate, decrease in mortality.


If an ecosystem has experienced a recent decrease in its plant populations what are some possible reasons for the decline?

Some possible reasons are:bad weatherdiseasetoo many predatorsinvasive species


How do you date index fossils?

Index fossils work similar to counting populations of living creatures. An increase or decrease in populations of certain creatures can provide clues to the climate and climate changes.


Why does the number of species increase and decrease?

There could be many reasons why. Their predators could have decreased, or the food that they have increases.


A person who studies reasons for rising and falling populations is a?

A person who studies reasons for rising and falling populations is a Demographer


Possible reasons why a rabbit population may decrease?

Death and migration are factors that can decrease hare population.


Does amylase activity increase or decrease in the stomach?

The activity of amylase decreases drastcially due to the very low pH this is one of the reasons more amylase is added by the pacreas.


Why are populations limit in their spatial distribution?

Populations are limited in their spatial distribution for a couple of reasons. One of these reasons is that there just isn't enough resources to do it any other way.


How did colonial settlement affect existing Native American populations?

Native American populations decreased with the increase of colonial settlements. There are two main reasons for this. First, the Colonists violently attacked the Native Americans, especially the Powhatan Tribes in Virginia and the Wampanoag in Massachusetts. Second, the Colonists brought a number of diseases with them from the Old World that caused epidemics in the Native American populations, especially smallpox.


What can lead to an increase in the price of a company's stock?

Typical reasons include an increase in the company's earnings, or in the value of its holdings, or its percentage of market share for its products. Stock price increases when there is a demand for the stock (buying) and will usually decrease if there is less demand (net selling).


What leads to an increase in the price of a companies stock?

Typical reasons include an increase in the company's earnings, or in the value of its holdings, or its percentage of market share for its products. Stock price increases when there is a demand for the stock (buying) and will usually decrease if there is less demand (net selling).


Why might a person need forehead surgery?

The are very few reasons why a person might need forehead surgery unless it was to correct a congenital malformation of the skull. However an individual may wish to have forehead surgery for cosmetic reasons in order to increase or decrease the hairline.