A passagem das plantas do meio aquático para o meio terrestre, foi acompanhada pelo desenvolvimento de estruturas de controlo à excessiva evaporação. Quais foram as estruturas de protecção que surgiram?

Which description provides the best objective summary of the article in the passage?

Linda and julia are trying to determine whether their ideas are scientific or pseudoscientific. linda's idea is free of bias. julia's idea gives the same result when tested repeatedly. which statement is correct about linda and julia's idea?

Which of the following statements is accurate about evolution? question 10 options: natural selection only eliminates odd individuals. evolution means that a population never has changes in its genetic frequencies. mutations are always harmful. evolution means that a population undergoes changes in its gene frequencies over time.