Misc
no question - pick again
no answer
The repeated movement of water between Earth's surface and the atmosphere
hydrologic (water) cycle
The scientific study of human populations.
demography
the number of individuals per unit area.
population density
Something that controls the growth of a population
limiting factor
The burning of fossil fuels and forests is a human activity that affects this.
carbon cycle
Nutrient cycle that occurs primarily underground with bacteria.
nitrogen cycle
Why did the human population begin increasing exponentially during the industrial revolution?
Death rates fell
the size of the area inhabited by a population
geographic range
when individuals move OUT of a population’s range
emigration
limiting factors that affect all populations in similar ways, regardless of the population density
density independent
A nutrient whose supply limits productivity
limiting nutrient
In what stage of the demographic transition do advances in nutrition, sanitation, and medicine lead to lower death rates?
Stage II
how individuals in a population are spaced out across their range
Population dispersial
A decline of a predator population would result in THIS of its prey population
increase
occurs when organisms try to use the same limited ecological resource in the same place at the same time
competition
Flows in one-direction, unlike matter which is recycled within and between ecosystems
energy
Shows the number of males & females of each age in a population
Age Structure
2 factors that cause populations to increase in size
births & immigration
maximum number of individuals of a species that an environment can consistently support.
carrying capacity
When a population’s demand on an ecosystem exceeds the capacity of that ecosystem
Ecological overshoot
An important nutrient because it helps form DNA and RNA
phosphorus
A measurement of human demand on nature
Ecological Footprint
When the canine parvovirus (CPV) killed the majority of wolves on Isle Royale in 1980, what type of limiting factor was at work?
Density Dependent
when a population’s growth slows and then stops, following a period of exponential growth
logistic growth