Octopuses Quiz: questions and answers

Octopuses Quiz: questions and answers
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1. What is the average life expectancy of giant Pacific octopus?

2. What is the scientific name of an octopus?

3. How many species of octopus exist?

4. What is the average size of smallest species of octopus?

5. What is the largest octopus species?

6. How many hearts does an octopus have?

7. How many percentage of oxygen is absorbed by octopus through the skin while resting?

8. What is used by octopus for defensive purpose?

9. What is the phylum of octopus?

10. Which octopus lacks the ink sac?