What does the arboreal hypothesis suggest about the reason why primates have the unique features, such as opposable thumbs, that they have on their hand?

chordata is the answer

here is the answer

water, ice, acids, salts, plants, animals, and changes in temperature are all agents of weathering. weathering is the breaking down or dissolving of rocks and minerals on earths surface. once a rock has been broken down, a process called erosion transports the bits of rock and minerals away.

answer; coat color for blending in with dry grass;

answerscaffolding proteins;