Listen&Learn: Greenland Sharks | W3schools

Pre-listening vocabulary

• lifespan: the total of time that an animal can stay for
• estimate: to make a guess using info
• tissue: a selection of cells in an organism’s entire body
• vertebrate: an animal with a backbone
• reduce: to develop into smaller
• maturity: the adult stage of a existence

Listening action

Podcast: Engage in in new window | Down load (Duration: 1:29 — 1.4MB)

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Comprehension issues

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1. The Greenland shark can be observed in a. the Pacific and Atlantic oceans b. the Atlantic and Arctic oceans c. the Atlantic and Indian oceans
2. Experts approximated the lifespan of Greenland sharks by carbon relationship tissues in their a. eyes b. mouths c. flesh
3. The population of Greenland sharks is lowering since of a. predators b. ailment c. human action

Discussion/essay inquiries

1. What do you believe should be finished to guard existence in the oceans?

Transcript

The Greenland shark is a kind of shark that lives in the Atlantic and Arctic oceans. Greenland sharks are acknowledged for their long lifespans, which experts estimate to be involving 200 and 500 several years. These estimates appear from carbon courting of tissues in the sharks’ eyes. This will make Greenland sharks the longest-dwelling vertebrates in the environment. They are also one of the major types of fish in the ocean, increasing up to 21 toes extensive. Even so, they are complicated to find. Greenland sharks favor very deep, chilly drinking water, which implies that they not often interact with human beings. Still, the populace of Greenland sharks is decreasing since of human action. Due to the fact they increase pretty gradually, Greenland sharks may well get an overall century to arrive at reproductive maturity. This usually means that they simply cannot repopulate swiftly. They are at this time considered a around threatened species.

Answers to comprehension concerns

1b 2a 3c