EPISODE 1: ONE STRANGE ROCK EXAM QUESTIONS

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EPISODE 1: ONE STRANGE ROCK EXAM QUESTIONS

Qs and Ans Expert- Explanation

This Exam contains:

-Guarantee passing score -14 Questions and Answers -format set of multiple-choice -Expert- Explanation

Question 1: In what other way can the microscopic organisms get nutrients from

sediments?

Answer:

glaciers

Question 2: What is the word for low oxygen?

Answer:

Hypoxia

Question 3: What is the oxygen level of earth?

Answer:

20.95%

Question 4: How are the organisms in the lake in Ethiopia different from most?

Answer:

Adapted to extreme acidity, can live in extreme temperatures, and high salinity

Question 5: What is the metabolic process that gives off oxygen?

Answer:

Photosynthesis Question 6: What microscopic organism gives off oxygen at the end of that process?

Answer:

Diatom, lives in the ocean

Question 7: What happens if earth goes over 21%?

Answer:

Buffering

Question 8: Nutrients from Africa are carried by what?

Answer:

Dust and Wind

Question 9: In what part of the globe does this occur?

Answer:

The ocean

Question 10: How does the Amazon indirectly supply us with oxygen?

Answer:

• Trees suck up the water

• When water hits the top of the trees it turns into a river of clouds

• The clouds turn into rain when they hit the Andes mountains

• The rain erodes the rock and sediment and goes into the ocean

Question 11: Where do nutrients for the Amazon rainforests originate?

Answer:

Deserts

Question 12: What happens to the oxygen produced by the Amazon rainforest?

Answer:

All the living organisms there breathe it all

Question 13: How many people can a rainforest tree provide oxygen for?

Answer:

2 Question 14: In an acidic lake in Ethiopia scientists found what organism that can survive without oxygen?

Answer:

Bacteria