skip to main content

Cnidarians

16 minutes

Videos are generally available for preview to non-members as short clips. Limited full-length titles are also available. Log In to view the full length title.

Browse Full-length Non-member Titles
Still image from Cnidarians

Part of the "Branches on the Tree of Life" series. Begins with a series of observations on Hydra, including habitat, structure, feeding, nematocyst discharge, locomotion (by looping), and its sexual and asexual reproductive strategies. Obelia illustrates the two-stage life cycle found in many cnidarians. Examining the biology of jellyfish (class Scyphozoa), sea anemones, and corals (class Anthozoa) rounds out the overview of phylum Cnidaria. Accessibility options on the DVD are: (1) expanded description, (2) English subtitles in a black box, (3) subtitled description.

Media Details

Runtime: 16 minutes

Branches On The Tree of Life
Episode 1
16 minutes
Grade Level: 8 - 12
Branches On The Tree of Life
Episode 2
17 minutes
Grade Level: 8 - 12
Branches On The Tree of Life
Episode 3
22 minutes
Grade Level: 8 - 12
Branches On The Tree of Life
Episode 4
18 minutes
Grade Level: 8 - 12
Branches On The Tree of Life
Episode 4
17 minutes
Grade Level: 8 - 12
Branches On The Tree of Life
Episode 5
19 minutes
Grade Level: 8 - 12
Branches On The Tree of Life
Episode 6
24 minutes
Grade Level: 8 - 12
Branches On The Tree of Life
Episode 7
20 minutes
Grade Level: 9 - 12
Branches On The Tree of Life
Episode 8
16 minutes
Grade Level: 8 - 12
Branches On The Tree of Life
Episode 9
7 minutes
Grade Level: 8 - 12