There are seven cervical vertebrae in almost

MCQ

A
All vertebrate
B
All amphibian
C
All reptile
✓
All mammals

✓

Answer

Correct option: D.

All mammals

d
$1)$ Most mammal have $7$ cervical vertebrae. There are four exceptions as follows. $a.\;2-$toed sloth $=6$ Cervical vertebrae. $b.$Manatee $=6$ Cervical vertebrae. $c.$ Anthear$= $$8$ Cervical vertebrae. $d.3-$toed sloth $=9$ Cervical vertebrae. $2)$ amphibians $=1$ cervical vertebrae $=$ atlas ( ossified $7$ parts). $3)$ reptiles $=7$ cervical vertbrae

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