Watch the following video or listen to the recording, and complete the summary below.
Scientists attach data logging tags to marine _____ to measure their movements and behaviour. However, they would like to know whether these tags affect the animals’ behaviour or _____ consumption.
A research group is currently investigating the effects of drag created by the data logging devices. Dolphins are trained to follow a _____ boat while wearing the data logger. The boat is fitted with a _____ which records the dolphin’s speed and the _____ of the session. A trainer then takes breath _____ from the dolphin and measures respiratory _____, as well as oxygen and carbon dioxide _____.
In this way, researchers can quantify differences in energy _____ when the dolphin is or isn’t wearing the data logger.