A group of organisms that depend on one another in a local environment

Why is it important that the federal government and the state governments have separate as well as shared powers?

Our life is like a german confederacy, made up of petty states, with its boundary forever fluctuating, so that even a german cannot tell you how it is bounded at any moment ... why is this quote an example of simile?

Research can be engineered to give desired results. What is a strategy of "loading the dice" that some unethical researchers use?

In "don't worry, be happy," bobby mcferrin sings meaningless syllables called

A low-gradient stream can suddenly develop into a high-gradient stream containing rapids or waterfalls.

Ow many of the Ten Commandments can be found in the laws of the United States?

On what date did the Communists take control of Cuba? A) July 26, 1956 B) January 1, 1959 C) January 1, 1960 D) December 2, 1956

Who was the slave with whom thomas jefferson probably had several children?

Which effect did the United States Supreme Court's decision in Plessy v. Ferguson have? A) Ending segregation in all public schools in America B) Protecting voting rights for African Americans by eliminating literacy tests C) Upholding the rights of

True or false The Republican party is the oldest political party in the United States.