Haversian system is a diagnostic feature of

  • A
    Avian bones
  • B
    All animals
  • C
    Mammalian bones only
  • D
    Reptilian bones

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Similar Questions

The total number of teeth in a rabbit is:

Match the common names in Column-$I$ with their scientific names in Column-$II$:
Column-$I$ (Common Name)Column-$II$ (Scientific Name)
$(a)$ Sunflower$(i)$ Periplaneta americana
$(b)$ Earthworm$(ii)$ Rana tigrina
$(c)$ Cockroach$(iii)$ Pheretima posthuma
$(d)$ Maize$(iv)$ Zea mays
$(v)$ Helianthus annuus

$Pheretima$ $posthuma$ and $Periplaneta$ are similar in which aspect?

Which gland in mammals secretes odoriferous substances?

What do tissues combine to form?

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