Why are lichens so important for primary succession?

Ture or false evidence for evolution includes millions of fossils

Matched chromosomes carrying information about the same characteristics in the organism are called

Which of the following statements best distinguishes a hypothesis from a theory? a. theories are hypotheses that have been proved. b.hypotheses are guesses; theories are correct answers c. hypotheses usually are relatively narrow in scope; theories have broad explanatory power. d. theories are proved to be true; hypotheses are often contradicted by experimental results.