Statistics for Top 10 Oldest Extant Animal Species on Earth

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General Stats

  • This quiz has been taken 25 times
  • The average score is 4 of 10

Answer Stats

Years Hint Answer % Correct
5.445 millionA marine arthropodHorseshoe Crab
67%
3.550 millionA softbodied animal with an umbrella-shaped bell and trailing tentaclesJellyfish
63%
7.200 millionA primitive bony fish whose eggs humans eatSturgeon
58%
8.200 millionA tiny crustaceanHorseshoe Shrimp
50%
1.2.8 billionThe first ever microbe to produce oxygen via photosynthesisCyanobacteria
33%
4.500 millionA marine mollusc with a shell in the shape of a whorlNautilus
33%
9.150 millionA living fossil that looks like a sea dragonFrilled Shark
29%
2.580 millionA plant-like organism full of pores and channelsSponge
25%
6.360 millionA critically endangered deep sea fishCoelacanth
13%
10.120 millionAn insect discovered in the Amazon rain forestMartialis Huereka
8%

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