Sponges often don’t even look alive, but an ancient sponge was actually the first animal.
These simple creatures invented movement.
Flatworms look simple but they were the first animals with a distinct head with stereo senses.
Annelid worms have incredibly diverse ways of making a living.
The incredible diversity and dominance of arthropods in the ocean can be attributed to their extraordinarily adaptable body plan.
Arthropods are all around us. They came onto land from the ocean and conquered the earth and the air.
Molluscs have been masters in the survival game of life, evolving with new opportunities and new challenges.
Echinoderms show us that animals radically different from us, even ones without a brain, can be ultimately successful.
An obscure worm-like animal called Amphioxus teaches us about our relatives.
Aligned to Next Generation Science Standards
The original Shape of Life series was developed and produced by Sea Studios Foundation in collaboration with National Geographic and PBS with funding from the National Science Foundation among others.
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