Many animals have ________ that help them escape from their enemies. The coats of some animals are colored to adapt to its surroundings.
句意： 很多动物具有适应性， 这有助于它们逃避它们的天敌。 一些动物的毛皮为了适应周围环境而进行变色。 adaptation适应。 acquisition收购， 并购。adjustment调整； 校正。 addition增加物。