the evolution of life on earth: condensed into one day |
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is the next mass extinction finally here?
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five devastating mass extinction events |
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how does radiometric dating work? |
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when did our atmosphere get its oxygen? |
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history of earth and the early atmosphere |
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the tree of life |
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how does evolution work? |
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what is natural selection? |
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when whales walked |
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the evolutionary history of whalesClick below to watch the animation we saw in class
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how to construct a cladogram |
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phylogenetic trees (a.k.a. cladograms) |
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sea sponges... they're animals! |
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animation: the internal anatomy of the spongeClick below to run through the anatomy of a sponge, and learn about its reproduction
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This website has a couple of cool videos on sponges
sponge cell reaggregation |
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time lapse: the bizarre world of cnidarians (and other life) |
a whole bunch of jellies |
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cnidarians: life on the move |
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life cycle of the moon jellyClick below for a video on the life cycle of the moon jelly.
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coral spawning |
hydra feeding |
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looking for sea pens |
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irukandji |
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portuguese man o' war |
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catching a box jelly |
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how jellyfish sting |
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nematocycts |
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Mollusks
Click on the button to get to a cool video on mollusks
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clam moving using its foot |
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scallops swimming |
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bivalve siphons (feeding) |
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clam dissection |
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how the squid lost its shell |
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how squids outsmart their predators |
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dancing chromatophores |
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squid skin |
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the amazing octopus |
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inside the octopus brain |
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Baited Remote Underwater Video survey - Octopus attack |
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octopus heads to land
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cuttlefish: kings of camouflage |
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giant octopus attack! |
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ok. so this one just crawls onto land. |
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squid anatomy |
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marine arthropods: a successful design |
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spider crab molting |
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giant spider crab |
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mantis shrimp |
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krill swarm 1 |
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krill swarm 2 |
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a tale of two species |
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horseshoe crab spawning |
why does a gallon of horseshoe crab blood cost $60,000? |
echinoderms: the ultimate animal |
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sea star tube feet |
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sunflower star feeding on a clam |
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sea urchin movement |
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sea cucumber fightin' its guts out! |
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sea stars scavenging |
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the body systems of echinoderms |
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animation:
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the slimy hagfish |
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the secret world of sharks and rays |
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electroreception |
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shark feeding |
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weird closeup look at a great white's mouth |
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why are we afraid of sharks? |
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shark dissection |
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fish adaptations |
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how gills work |
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adaptations of the flounder |
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flounder metamorphosis |
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sargassum fish |
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how the seahorse got its shape |
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sex-changing clownfish |
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flying fish |
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giant oarfish |
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catfish hunting pigeons?! |
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finding the coelacanth |
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sea turtles |
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survival of the sea turtle |
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sea turtles run the gauntlet |
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sea turtle devours jellyfish |
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sea turtle predators |
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how sea turtles find their way home |
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emperor penguins huddle for warmth |
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an amazing adaptation |
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animal olympians: diving |
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dive reflex in marine mammals |
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do humans have a dive reflex? |
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cooperative hunting in orcas |
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more cooperative hunting in orcas |
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cooperative hunting in other cetaceans |
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what a bait ball looks like |
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migration of grey whalesThe journey can be a dangerous one.
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the songs of the humpback whale |
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humpback whale communication |
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echolocation in cetaceans |
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polar bears |
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the mystery behind narwhal tusks revealed |
narwhal song |
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