Limiting Factors
This is something in the environment that prevents a population from growing indefinitely.
What is Limiting Factor?
This factor causes an increasing number of elephants to be tuskless.
What is Poaching?
When there are many organisms in a small area, population density is this.
What is High?
Organisms that live in groups have this type of distribution.
What is Clumped/clustered?
Limiting factors such as temperature, acidity, and natural disaster fall under this category.
What is Density-independent?
This material is the most economically valuable material in an elephant.
What is Ivory?
Population density is calculated by these two variables.
What is Number of individuals and Area?
Organisms that live equally spread out from each other have this type of distribution.
What is Uniform/even?
Factors that affect a species different depending on their population size are considered this.
What is Density-dependent?
When poaching is prominent in an area, tusklessness becomes an example of this
What is Selective advantage?
If the area is 400 square kilometers, and there are 600 members of the population, this is the population density.
What is 1.5 per square kilometer?
Dandelions and fish are highly mobile species, and often have this type of distribution.
What is Random?
When a population reaches it's maximum and begins to level off, it has reached this.
What is Carrying capacity?
Due to the different roles of different elephants, these type of elephants are more likely to be tuskless than others.
What are Female Elephants?
These two factors are why it is unrealistic to perform a total population count.
What are Time and money?
Territorial animals tend to have this type of distribution.
An environmental factor that changes the distribution of traits in a species is considered to be this.
What is Selective pressure?
Dr. Poole's specific area of focus is this aspect of elephants.
What is Behavior/communication/social structure?
When an area is too large for a total population count, we use this method.
What is Sample count?
Uniform distributions help prevent the spread of this limiting factor, relative to other distributions.
What is Disease?