CU of squirrel in branch. Cut to CU of weasel on ground below. Squirrel scurries back and forth through tree. Cuts back and forth between CUs of squirrel and weasel in tree. Narrator describes hunt. Shot of weasel digging face into hole of tree, but narrator says it’s a victory for the squirrel. Shots of weasel trying unsuccessfully to get into hole. MLS of tree. LS of tree, zooming out, music plays again as narrator talks about changing environment. Screen fades to black. Cuts to shot of fish in fish tank. Shot of woman next to fish tank. She squeezes a pump and it blows bubbles into the water. MCU of fish in water. CU of fish eating food on surface. Shot of woman coming to other side of tank. She sets off things to set off bell. Shot of woman watching fish behavior as narrator talks about different sounds. CU of hand holding pump. Cut to MCU of fish in tank, bubbles in water. more fish eating. Narrator talks about how everything is orderly at feeding time.