This live-action video program is about the term "animal essential functions". The program is designed to reinforce and support a student's comprehension and retention of the term "animal essential functions" through use of video...

Biological Classification Set: This clip introduces the phylum Porifera and the phylum Cnidaria.

The classification system organises species into domain, kingdom, phylum, class, order, family, genus and finally species. ‘Kingdom’ is the second highest rank below the rank of domain in this sequence of classification. It helps us to...

Biological Classification Set: This clip introduces the four kingdoms of, Eukarya: Protista, Plantae, Animalia and Fungi.

Detached epithelial cells from Human tongue scrape, with various types of swimming bacteria. Nomarski Differential Interference Contrast, horizontal field of view 180 micrometres

Detached epithelial cells from Human tongue scrape with various types of swimming bacteria. Nomarski Differential Interference Contrast, horizontal field of view 650 micrometres.

Detached epithelial cells from Human tongue scrape with various types of swimming bacteria. Nomarski Differential Interference Contrast, horizontal field of view 650 micrometres.

Single Human sperm swimming, Interference contrast

Detached epithelial cells from Human tongue scrape, with various types of swimming bacteria. Nomarski Differential Interference Contrast, horizontal field of view 180 micrometres

Paramecium and Spirochaeta bacteria moving around algal cell

Single Human sperm swimming, Interference contrast

Single Human sperm swimming, Interference contrast

Single Human sperm swimming, close up, Phase contrast

Single Human sperm swimming, Phase contrast

Single Human sperm swimming, Phase contrast

Single Human sperm swimming, close up, Phase contrast

Single Human sperm swimming, Phase contrast

Single Human sperm swimming, Phase contrast

Single Human sperm swimming, noisy background, Phase contrast

Human sperm swimming, masses, Interference contrast

Single Human sperm swimming, better, Phase contrast

Single Human sperm swimming, noisy background, Phase contrast

Single Human sperm swimming, best, Phase contrast

Human sperm swimming, race, Interference contrast