Crocodile and penguin are similar to whale and dogfish in which one of the following features?

  • A
    Possess a solid single-stranded central nervous system
  • B
    Lay eggs and guard them till they hatch
  • C
    Possess bony skeleton
  • D
    Have gill slits at some stage

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Similar Questions

Which of the following is an incorrect pair?

Consider the following statements:
$A$. Annelids are true coelomates
$B$. Poriferans are pseudocoelomates
$C$. Aschelminthes are acoelomates
$D$. Platyhelminthes are pseudocoelomates
Choose the correct answer from the options given below:

Select the correct option for the following statements:
$(i)$ Platyhelminthes are pseudocoelomate / acoelomate.
$(ii)$ Cnidarians are radially symmetrical / asymmetrical.

Comb jellies are ..................... and jelly fishes are .................. respectively.

Which one of the following is not a correct pair?

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