Populations
Growth Rates
Niches
Pictures and other
100
The word that describes the number of individuals per unit area
population density
100
The two types of limiting factors
density-dependent and density-independent factors
100
The type of community interaction seen when a feral dog hunts for sea turtle eggs
Predation
100
This is an example of:
Exponential growth model
200
The type of dispersion pattern seen in herding animals
Clumped
200
The population growth model that happens under ideal conditions
exponential growth model
200
The difference between a habitat and a niche
habitat is where an organism lives and a niche is the role of an organism in the ecosystem
200
This is an example of: 
Primary succession
300
The three factors that affect growth rate
number of births, number of deaths, and immigration/emigration
300
The logistic growth model takes into account limiting resources and depicts the ____________, which is the maximum amount of individuals an ecosystem can support.
Carrying capacity
300
This type of community interaction involves two organisms living in the same environment and is not always a positive relationship for both organisms
Symbiosis
300
A time in nature when there would be a uniform dispersion pattern
Competition for resources such as light (or other examples)
400
The four important characteristics ecologists use to look at populations
geographic range, population density and distribution, age structure, and growth rate
400
Why does the human population on Earth continue to grow?
Lower death rates while birth rates remain somewhat constant
400
The three types of symbiosis and examples of each
Mutualism, commensalism, and parasitism - examples may vary
400
Lichens are often known as _________________ in primary succession because they break down rock and turn it into soil so that organisms can start using the land
pioneer species