Characteristics of Populations
a group of organisms of the same species that live in the same area
what is population
study of information about human populations
what is demography
resources that cannot be replenished
what is nonrenewable
3 types of biodiversity
what is ecosystem, species, genetic
the most biodiversity is found
what is corral reefs, rain forests, tropical waters
the grasshopper and bacteria on a slide was to determine the number of individuals per unit area or...
what is population density
Formula for Population Growth Rate (PGR)
what is birthrate minus death rate
resources that regenerate if alive or be replaced by biogeochemical cycles if nonliving
what is renewable resources
land development separates ecosystems into pieces cutting off species from their habitat
what is habitat fragmentation
sustainable use programs protect ecosystems by
what is developing ways to use natural resources without depleting them or causing long-term environmental harm
when individuals of population reproduce at a constant rate forming a J shaped curve
what is exponential growth
refers to the number of people at each different age level
what is age structure
a sustainable practice for land and forest
what is contour plowing or leaving stems and roots
and forest management or tree farms
damage to habitats caused by pollution
what is habitat degradation
what is the reason populations cannot grow and never stop growing
what is limiting factors that slow down or limit growth
when resources become less available, the population growth rate slows or stops forming a S-shape on the graph
what is logistic growth
large amounts of children population is....
more adults than children population is...
amount of people at age levels is equal...
what is rapid growth... declining... stable
what type of resource is air and water
what is renewable
invasive species
what is species put in an habitat
bacteria employ a ________ reproductive strategy, characteristic determined by their small size, rapid maturation, and short life span
what is rapid
when an environment can only support a number of organisms of one species
what is carrying capacity
4 human activities that affect the biosphere
what is hunting & gathering, agriculture, industrial growth, and urban development
severe soil erosion preventing regrowth of trees
what is deforestation
What are 3 forms of conservation of biodiversity
what is habitat corridors, reintroduction programs, sustainable use
How are humans different from other populations
what is humans can grow their own resources as well as control some limiting factors ex: disease