When minerals, rocks, and fossils cannot be accurately identified by macroscopic observation and testing, thin section slides can reveal the compositi...
Pack of 3 Jellyfish (Cassiopeia sp.) Students can observe symbiotic organisms called zooxanthellae (minute flagellates) swimming with the jellyfish in...
This large predatory frog will eat any other organism smaller than itself, including smaller bullfrogs; keep similar-sized frogs together to avoid can...
Uca sp. The fiddler crab gets its name from the male’s larger claw, which it waves up and down in a fiddling motion when threatened or when attracting...