There are two basic life-cycle patterns among animals. Many animals have complex life cycles with two or more very distinct stages; metamorphosis is the usual term for the often-radical changes that ...
When a T. dohrnii jellyfish experiences a certain stressor, like starvation or injury, rather than dying, it rejuvenates itself.
How animals of the Cambrian period experienced the Cambrian Explosion, which shaped life today and could help researchers understand life on other planets. Animals of the Cambrian period went through ...
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