○○○
microscopic ⪢⪢
You will often see snakes flicking their tongue in and out. Again this snake is not being rude. It is actually tasting the air - collecting microscopic particles which it can analyze using a special organ in the roof of its mouth.
16216#14809
SBLNGS
CHLDRN
14809
○○○
reptile ⪢⪢
Snakes are reptiles which means that they breathe air, have scaly skin, and are cold-blooded. Cold-blooded animals cannot maintain their own body temperature.
16216#15469
SBLNGS
CHLDRN
15469
○○○
vertebrate ⪢⪢
Snakes are also vertebrates which means that they have a backbone. Actually snakes are almost ALL backbone! A snake's skeleton is most made of its skull, the vertebrate (or bones of the spine) and ribs.
16216#16217
SBLNGS
CHLDRN
16217

-