Do trees have memories？ - 6 Minute English
Vocabulary immune system cells and organs which protect the human body from infection and disease food chain plants and animals that are linked in a chain because each thing eats something weaker than it, and gets eaten by something stronger opportunistic takes advantage of a situation to gain benefit, often without thinking whether the action is right or wrong hypothesis idea that explains how or why something happens which has yet to be tested to see if it’s correct drought long period of time with little or no rain not bothered (about something) not worried or concerned because it’s not important to you
Vocabulary immune system cells and organs which protect the human body from infection and disease food chain plants and animals that are linked in a chain because each thing eats something weaker than it, and gets eaten by something stronger opportunistic takes advantage of a situation to gain benefit, often without thinking whether the action is right or wrong hypothesis idea that explains how or why something happens which has yet to be tested to see if it’s correct drought long period of time with little or no rain not bothered (about something) not worried or concerned because it’s not important to you