Which marine animals are capable of regenerating their internal organs?

Stingrays

Cuttlefish

Sea cucumber

Duck mussel,

In the event of danger, sea cucumber ejects their internal organs covered with toxic and sticky secretions and regenerates them within a few days. Sea cucumber resembles the size of a large cucumber, and are among the echinoderms.

Ed Bierman wikipedia → Sea cucumber

zoology

Zoology quiz

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Answers by country

Australia

83%

the United States

82%

Greece

20%

80%

the United Kingdom

75%

Germany

10%

72%

13%

Poland

10%

11%

60%

18%

1760

Estonia

20%

10%

60%

10%

India

26%

58%

Austria

13%

36%

50%

How do baby birds get oxygen inside their eggs?

They have a large oxygen supply from the start

Oxygen is created during protein reduction

Oxygen comes in through pores in the shell

They don't need oxygen at all

Which dogs are known to eat fish?

What color is octopus blood?

What is Bohemia?

Artistic community

Gypsies from the Czech Republic

Representatives of the French avant-garde from the first half of the 19th century

Latin name of historical land, now Czech Republic