students must watch the video and listen, then answer the questions during the video.

primero, haga clic en "video mode" y seleccione "watch video without quiz"  a continuación, haga clic en "video mode" y haga clic en "interactive mode" para ver el video nuevamente con preguntas.

in this video , we describe what a food chain is. Here we learn about the relationship between living things and how they must eat each other to survive.

Science - What Is A Food Chain - Dr. Binocs Tells Us

science-what-is-a-food-chain-dr-binocs-tells-us

Let's do English ESL general vocabulary practice. students must watch the video and listen, then answer the questions during the video.