Related by context. Frequent words. (Click for all words.) 57 flagellum 56 flagella 56 whorl 56 pectoral fins 55 forelimb 53 mantis 53 locomotion 53 housefly 52 caterpillar 51 flapping wings 51 mandibles 51 helix 51 praying mantis 51 jerky movements 51 exoskeleton 51 toroidal 50 Brownian motion 50 pinecone 50 hind limbs 50 globular 50 anemone 49 infinitely variable 49 elongates 49 ribozyme 49 uvula 49 crocodilians 49 skitters 49 quadruped 49 helical 48 biped 48 electromagnet 48 sinusoidal 48 sea anemone 48 sensor detects 48 dragonfly 48 snail 48 locomotor 48 Z axis 48 gecko 48 resonator 48 tadpole 48 nanotube 48 nanomachines 47 sine wave 47 torsion 47 armature 47 jackrabbit 47 helices 47 vortices 47 myosin 47 microtubule 47 sensory organs 47 deforms 47 infrared beam 47 upright posture 47 exoskeletons 47 hind legs 47 pendulums 46 exciton 46 insect 46 wiggles 46 constrictor 46 jaw muscles 46 piezo 46 Caenorhabditis elegans 46 stiff legged 46 protozoan 46 morphogenesis 46 torsional 46 tendril 46 curved surfaces 46 coiling 46 wiggly 46 dung beetle 46 dispersive 46 deformable 46 wiggling 46 quadratic 46 isotropic 46 strider 46 snakelike 46 ovoid 46 tree trunk 46 cantilever 46 plasmonic 46 centipede 46 anthropomorphic 46 fingerboard 46 stepper motors 46 Venus flytrap 46 bipedal 45 cattail 45 microscale 45 radially 45 forelimbs 45 biomorphic 45 whirls 45 whirling 45 undulates 45 oscillation 45 birdlike