Which of the following demonstrates an organ providing a force? 1.The eye transmits information to the brain.
2.The heart contracts and expands to move blood.
3.The kidney filters waste from blood.
4.The skin protects other organs from damage.

Finches living on the galapagos islands were critical for darwin to develop his ideas. what key observation did he make about the finches? a. the finches' feathers were structurally different to allow them to fly at different heights and speeds, depending on their local environment. b. the finches' beaks were uniquely adapted as tools for them to eat the food that was available to them. c. the finches' feathers were colored differently, providing camouflage within their unique environment. d. the finches' beaks were colored differently, providing camouflage within their unique environment