What are births and immigration?
The 2 zones of open ocean
What are the aphotic and photic zones?
During emigration
When do animals move from one place to another?
Two factors that remove individuals from a population
What are deaths and emigration
Where is from the low tide mark to the outer edge of the continental shelf?
The number of individuals per unit area
What is population density?
Factors that occur naturally (that aren't affected by density) such as natural disasters.
What are density-dependent limiting factors?
What are outgrowing the carrying capacity and organisms becoming too rare?
Three saltwater aquatic biomes
What are the intertidal zone, coastal ocean, and open ocean biomes?
What is exponential growth?
Factors that are in greater effect when the population density is higher
Factors populations are limited by
What are space, amount of food, and disease?
Three freshwater aquatic biomes
What are the freshwater wetlands, lakes & ponds, and rivers & streams biomes?
The maximum amount of individuals that the resources in its environment can accomodate
What is carrying capacity?
When individuals in a population fight over resources such as space, food, and mates
What is competition?
People in China in 1979 who had 1 child.
Who had better access to government jobs, schools, housing, and medical care.
A biome that has less than 0.5 ppt of salt in the water.
What is the freshwater wetlands biome?
When the growth of a population slows down as it reaches the carrying capacity
What is logistical growth?
When the carrying capacity falls too low
When can a population become extinct?