Worms, squid, clams, and flies are creatures without spines. Fearless and resilient, these invertebrates thrive in various environments. You'll discover them in oceans, rivers, and on dry land. Remarkably, invertebrates outnumber their vertebrate counterparts by a factor of thirty, making them the predominant form of animal life on our planet.
Show
Beast Tamer
Episode
S04E15
Air Date
Feb 07, 1996
Season 4 Episodes
S04E01
Rivers & Streams
S04E02
Nutrition
S04E03
Marine Mammals
S04E04
Earthquakes
S04E05
NTV Top 11 Video Countdown
S04E06
Spiders
S04E07
Pollution Solutions
S04E08
Probability
S04E09
Pseudoscience
S04E10
Flowers
S04E11
Archaeology
S04E12
Deserts
S04E13
Amphibians
S04E14
Volcanoes
S04E15
Invertebrates
S04E16
Heart
S04E17
Inventions
S04E18
Computers
S04E19
Fossils
S04E20
Time