Individuals moving away from population
What is Emigration?
The orderly and predictable change that takes place after a community of organisms have been removed but the soil has remained intact.
What is Secondary Succession?
Where freshwater meets saltwater, among the most diverse ecosystems.
What is Estuaries?
The pattern of spacing of a population within an area.
What is Dispersion?
The name of each individual square in random sampling
What is Quadrat?
An inland body of standing water
What is Lakes, ponds?
The stable, mature community that results when there is little change in the composition of species
What is Climax Community?
Found in warm shallow waters. Among most diverse ecosystems and are threatened by ocean acidification from increased atmospheric CO₂
what is Coral Reefs?
Two types of Growth
What is Exponential Growth, Logistic Growth?
The distribution of males and females across three age groups: pre-reproductive, reproductive, and post-reproductive
What is Age Structure?
Salt water and freshwater mixing
What is Brackish?
A group of populations of different organisms that live and interact in the same area.
What is Ecological Community?
The % of Earth’s water is freshwater
What is 3%
1) Many offspring quickly in a short time period
2) Few offspring that are likely to survive due to parental care.
What is
1) R-strategy
2) k-strategy
A population’s age structure is the
number of males and females in
each of three age groups:
What is
pre-reproductive stage
reproductive stage
post-reproductive stage
The establishment of a community in an area of exposed rock that does not have any topsoil.
What is Primary Succession?
The process where one community replaces another due to changing abiotic and biotic factors.
What is Ecological Succession?
what zone is this:
Dominated by plankton, freshwater fish feed here
Open water area
Well-lit surface water
What is Limnetic Zone?
Maximum number of individuals an environment can support long-term,
What is Carrying Capacity?
Technological Advances Affecting Carrying Capacity: there is four
what is
Agriculture
Domestication of animals
Medicine
Shelter improvements?
The scientific study of human populations size, density, distribution, movement, and birth and death rates
What is Demography?
The six different biomes
What is Tundra, Boreal Forest (Taiga), Temperate Forest, Temperate Grassland, Desert, Tropical Rainforest?
Name the four vertical zones in order from top to bottom.
what is
Photic Zone
Aphotic Zone
Abyssal Zone
Benthic Zone
What kind of formula is used to solve this: 300 bears in 1500 square miles = 300 ÷ 1500 = 0.2 bears per square mile.
What is Population Density Formula?
Zero population growth (ZPG) occurs
What is birth + immigration = death + emigration?