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Improve your vocabulary, listening or reading skills with the quizzes below.
Vocabulary Quiz
background • poop • gigantic
food chain • upset
  1. Man is at the very top of the .
  2. The officer will check out each applicant's .
  3. None of the kids wanted to clean up the puppy's .
  4. The aquarium species are like in a glass bowl.
  5. How does deforestation the balance of nature?
Comprehension Quiz
Answer the following questions about the interview.
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1140 Marine Biology

Dusty talks about how he got interested in marine biology and what it is about.

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Vocabulary notes (text only) explain key vocabulary and phrases from the interview.


Marine biology is your background.

Our background is our education or work experience. Notice the following:

  1. My background is in finance.
  2. His resume contained detailed background information.


There's no poop to clean up.

Poop is a cute, informal word that means bodily waste from animals or infant children. Notice the following:

  1. The park has a problem with dog poop.
  2. The young couple's house smelled like baby poop.


It's like working in a gigantic toilet..

Gigantic means super big. It's a fun, informal word. Notice the following:

  1. That was a gigantic mistake.
  2. Wow, that's a gigantic hat you're wearing!

food chain

There are links in the food chain..

We use the term food chain to describe how larger, stronger and faster animals, eat smaller, weaker and slower animals. Notice the following:

  1. Lions and tigers are at the top of the food chain.
  2. Disruption of the food chain has become a major concern for biologists..

upset the balance

That upsets the balance.

Something that upsets the balance changes the way a group of things usually works. Notice the following:

  1. Killing the wolves will upset the balance of the food chain.
  2. The rise of China has upset the global balance of power.