Unit 2.2 Flashcards
Population Growth, Carrying Capacity
If there were more deaths than births in a population, what would happen to the population?
it would shrink
What variable represents the maximum per capita rate of growth in a population?
r
What is the difference between exponential and logistic growth?
Exponential growth shows a population that continues to grow and multiply upon itself, while logistical growth shows a population that has a carrying capacity, with a limited amount of resources for it to thrive upon.
Sunlight, rain, and natural disasters are examples of ___ factors.
abiotic
What is the equation for the logistical growth model?
dN / dT = rN ( K - N / K )
What are the two types of limiting factors?
density dependent and density independent
What factors influence population growth?
predators, disease, environment, food
How can changes in resources, human intervention, and other environmental factors affect carrying capacity.
They can raise or lower the carrying capacity, as less resources and more danger in the environment will lower it, while more resources will raise it.
What model shows a population without limiting factors?
Exponential Model
An invasive species of rabbit is accidently released into an area. What are some factors that may slow the growth of the rabbit population
predators, amount of food, access to water, temperature