Ocean Biodiversity - IELTS Listening Answers

This article contains the Ocean Biodiversity IELTS Listening task, a real past paper example. In the IELTS Listening Test, you’ll listen to a short audio recording and answer questions based on it. Practice with our "Ocean Biodiversity" test to improve your listening skills and review the answers below. Need help with IELTS Listening Sentence Completion questions? Check out our complete guide. Also, familiarize yourself with signposting and distraction techniques by trying our IELTS listening practice tests.

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Listen to the Audio for Ocean Biodiversity to Solve the Questions below.

There are 10 questions in the Listening Answers of Ocean Biodiversity, which demonstrates one of the question types that is common in such tests. It is:

• Note Completion (Q. 1-10)

Questions 1-10

Ocean Biodiversity

Biodiversity hotspots

• areas containing many different species
• important for locating targets for 1……………
• at first only identified on land

Boris Worm, 2005

• identified hotspots for large ocean predators, e.g. sharks
• found the ocean hotspots:

– were not always rich in 2………………

– had higher temperatures at the 3……………..

– had sufficient 4…………….. in the water

Lisa Ballance, 2007

• looked for hotspots for marine 5……………..
• found these were all located where ocean currents meet

Census of Marine Life

• found new ocean species living:

– under the 6………………

– near volcanoes on the ocean floor

Global Marine Species Assessment

• want to list endangered ocean species, considering:

– population size

– geographical distribution

– rate of 7……………….

• Aim: to assess 20,000 species and make a distribution 8………………. for each one

Recommendations to retain ocean biodiversity

• increase the number of ocean reserves
• establish 9……………… corridors (e.g. for turtles)
• reduce fishing quotas
• catch fish only for the purpose of 10……………..

Transcript of the Ocean Biodiversity IELTS Listening Audio

Get the full picture by downloading the PDF transcript of Ocean Biodiversity audio, including answer locations for your convenience.

Answer Key of Ocean Biodiversity IELTS Listening Sample

Check Out – 5 Common Mistakes to Avoid in IELTS Listening

Answer Key of Ocean Biodiversity IELTS Listening with Explanation

1 Answer: conservation

Question Type: Note Completion

Answer Explanation: The speaker mentions in the first few lines that biologists consider some specific places as biodiversity hotspots. They contain different species (greatest mixture of species) and are important (significant) for locating target areas (key areas) for conservation. Hence, the answer is ‘conservation’.

2 Answer: food/foods

Question Type: Note Completion

Answer Explanation: While discussing the efforts of Boris Worm, a Canadian biologist, the speaker explains that Worm identified five ocean hotspots. Out of these five, four had enough food supply, but the fifth one was lacking in food. This points out that ocean hotspots are not always rich in food supply. Hence, the answer is ‘food/foods’.

3 Answer: surface

Question Type: Note Completion

Answer Explanation: Boris Worm also found out that the surface of the water had a higher temperature even though the temperature in the depths was cool. Hence, the answer is ‘surface’.

4 Answer: oxygen/O2

Question Type: Note Completion

Answer Explanation: Worm also discovered that besides the difference in water temperature at the surface and the depths, an appropriate level of oxygen is also a contributing factor to the development of biodiversity in the ocean hotspots. Hence, the answer is ‘oxygen/O2’.

5 Answer: mammals

Question Type: Note Completion

Answer Explanation: The speaker mentions another researcher named Lisa Ballance, who was interested in ocean hotspots, specifically for marine mammals like seals. Hence, the answer is ‘mammals’.

6 Answer: ice

Question Type: Note Completion

Answer Explanation: Through the Census of Marine Life, an international project for surveying oceans all over the world, researchers came to know that there were numerous species that lived below the ice. Hence, the answer is ‘ice’.

7 Answer: decline/declining/decrease

Question Type: Note Completion

Answer Explanation: In the second half of the audio, the speaker informs that the Global Marine Species Assessment is listing endangered ocean species based on three factors – population size, geographical distribution, and the declining rate of the species. Hence, the answer is ‘decline/declining/decrease’.

8 Answer: map

Question Type: Note Completion

Answer Explanation: Under the Global Marine Species Assessment, researchers have identified 1,500 species and want to increase the number to 20,000, after which they aim to create a map to show each of their distribution. Hence, the answer is ‘map’.

9 Answer: migration

Question Type: Note Completion

Answer Explanation: Some recommendations have been made to retain ocean biodiversity. One of them is to create corridors for migration, especially for turtles who live in the high sea but build their nest on the coasts. Hence, the answer is ‘migration’.

10 Answer: consumption

Question Type: Note Completion

Answer Explanation: The fourth step under the recommendations to retain ocean biodiversity is that commercial fishing boats should use selective equipment to catch fish only for consumption to avoid endangerment. Hence, the answer is ‘consumption’.

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