Life science learners discuss the characteristics of five kingdoms of life: animals, plants, fungi, protists, and bacteria in this video. Viewers find out from the dialogue that scientists group organisms according to similarities. This...

Stringed instruments play as viewers explore ocean invertebrates through nine nicely flowing slides. The captions describe the eight phyla: cnidaria, flatworms, roundworms, segmented worms, mollusks, arthropods,and enchinoderms. During...