The role of a marine biologist

Marine biology is the study of organisms in the world's oceans, ranging in size and complexity from viruses to whales. It examines how these organisms interact with the environment and with each other, and measures the effects of human activities and environmental changes on marine ecosystems.

Watch the video below to find out about the work of an environmental biologist.

Name: Dr Iain Staniland
Job: Marine biologist
A-levels: Biology, Maths, Chemistry

Subtitles are available from the settings menu once the video is playing - select 'English (United Kingdom)'.