Organisms that live in a homogenous abiotic environment and cooperate to avoid being eaten would likely show a(n) __________ pattern of dispersion.

Burmese pythons (Python molurus bivittatus) are constricting snakes that can reach enormous sizes (up to 7 meters in length). They are native to Southeast Asia but were released into southern Florida from the pet trade. Many other snakes occur naturally in this area. Are the introduced pythons a problem?The range of Burmese pythons in Florida is expanding rapidly. List at least one abiotic factor and one biotic factor that might limit the range of pythons.

To calculate the human population density of your community, you would need to know the number of people living there and __________.

Which of the following choices is an expression of a population density?

When needed resources are unevenly distributed, organisms often show a(n) __________ dispersion pattern.

Herring gulls fiercely defend the areas around their nests in cliff-top breeding colonies. Within the colony they would show a __________ dispersion pattern.

Pine trees in a forest tend to shade and kill pine seedlings that sprout nearby. This causes the pine trees to __________.

What may a demographer study?

Life tables typically follow the fate of a cohort, a __________.