Which answer correctly summarizes the essential elements of a scientific theory? A. eventually become laws; based on many tests and reviews; usually don't change
B. predict and describe;based on observation and logic; formulated before experimentation
C. never become laws; based on strong scientific support; many changes based on evidence
D. describe the natural world; based on many observations and data; do not explain why

Abody cell has been growing and at synthesis proteins.in the nucleus of this body cell,dna replication is taking place. and a copy of the cells genetic material is copied.which of the following is the best conclusion you can make about the life cycle of this cell ? a) the cell is ready to undergo mitosis.and a chemical signal will send the cell to prophase b)the cell is undergoing meiosis and will cross over the genetic material next c)the cell is in the s phase of interphase and will move next to the g2 phase d) the cell is in the g2 phase of the interphase and is ready to begin diving

Spirochetes have a twisting and flexing locomotion due to appendages called

Darwin’s studies of finches on the galápagos islands suggest that the finches’ differences in beak structure were most likely directly due to: