Vocab Review
___wanted to know what see animals do underwater. It was a real___ to find out. The___ sea animals in zoos do not live in very deep water. So the scientists ___ a camera to wild sea animals. The cameras ____ what the animals did underwater! Scientists continue to___ and___ new ways to use their__to help animals.
Vocab Words: attached,captive,challenge, experiment,invention, recorded,scientists,test