What is the only animal group that evolved to live on land and then back to live in the ocean?
- Correct Answer: mammals
- birds
- amphibians
- reptiles
Explanation: Mammals are also the only animal group that evolved to live on land and then back to live in the ocean. Whales, dolphins, and porpoises have all adapted from land-dwelling creatures to a life of swimming and reproducing in the water ( Figure below ). Whales have evolved into the largest mammals.
More Random Questions
Q: How do multicellular organisms grow in size?
Ans: increase size and number of genes
Ans: increase size and number of genes
Q: Oncogenesis is one name for the process where normal cells turn into what?
Ans: cancer cells
Ans: cancer cells
Q: Which stock saw a 7.3% decline on April 10, 2025?
Ans: Tesla
Ans: Tesla
Q: Which planet is the ‘Red Planet’?
Ans: Mars
Ans: Mars
Q: Who has won the 'Crossword Books Prize'?
Ans: K.J.S. Dhillon
Ans: K.J.S. Dhillon
Q: Cardiac muscle normally has what kind of oxygen-using metabolism?
Ans: aerobic
Ans: aerobic
Q: Which Indian women cricketer has been inducted into the ICC Hall of Fame on October 16, 2024?
Ans: Neetu David
Ans: Neetu David
Q: In modern surgery, which condition is treated with an orchiectomy?
Ans: Testicular cancer
Ans: Testicular cancer
Q: Where was the United Nations Biodiversity Conference (COP-16) held?
Ans: Colombia
Ans: Colombia
Q: Who led the Soviet Union during World War II?
Ans: Joseph Stalin
Ans: Joseph Stalin
Q: What does a white circle with a black “H” indicate?
Ans: No stopping
Ans: No stopping
Q: In Sharanghadhara Samhita, the Anupana for Triphala Churna in Kaphaja disorders is:
Ans: Honey
Ans: Honey
Q: Which movement was a response to the 1905 Partition of Bengal?
Ans: Swadeshi Movement
Ans: Swadeshi Movement
Q: Most living things build proteins from the same 20 different what?
Ans: amino acids
Ans: amino acids
Q: Where was the 5th 'AITIGA' Joint Committee meeting held to review the ASEAN-India Goods Trade Agreement?
Ans: Jakarta
Ans: Jakarta
