Examlex
The populations of keystone predators are controlled by the populations of their prey species.
Great Depression
The Great Depression was a severe worldwide economic downturn that lasted from 1929 to the late 1930s, marked by high unemployment, deflation, and a massive loss of global trade.
Social Policies
Guidelines and interventions by a government aimed at influencing societal welfare and well-being.
Ulysses S. Grant
The 18th President of the United States from 1869 to 1877 who previously served as commanding general of the Army during the Civil War.
Horatio Seymour
An American politician from New York who served as the Governor of New York and was the Democratic Party's nominee for President in 1868.
Q3: A(n)_ is a type of community with
Q10: Groups of sites within an area that
Q17: If defoliation of trees is complete,the leaves
Q18: All species of animals provide parental care.
Q24: Guppies were moved from stream A,with a
Q41: The benthic community of an ocean,with the
Q43: One hypothesis of population regulation in animals
Q46: Consumption efficiency is the ratio of ingestion
Q50: A _ diagram plots each species in
Q70: _ mimicry occurs when many unpalatable or