Land snails move by gliding along their muscular foot.
Darwin strongly believed that all organisms have common ancestors.
--joeranja123ever
Animals kingdom/animals/wildlife
<span>Similarities- Provide same function and purpose, similar characteristics (4 chambered heart), valves in similar positions.
Differences- Human is 1.5-2 X bigger than sheep heart, Anterior portion of sheep heart is parallel to the ground due to the stance of the animal. </span>