Behavior of the Lower OrganismsColumbia University Press, 1906 - 366 páginas |
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Términos y frases comunes
aboral side acid action system activities Amoeba anode avoiding reaction bacteria bacterium become bend body carbon dioxide cathode cause ceases changes in behavior character chemical cilia collect contact reaction continues contraction course determined direction of movement disk effect electric current Euglena external conditions fact factors favorable flagella flatworm food reaction heat higher animals Hydra individuals induced infusoria injurious interference long axis lower organisms manubrium medusa ment metabolic Metazoa method mouth move negative reaction objective observed occurs optimum oral side orientation oxygen Oxytricha Paramecia Paramecium pass peristomal Physiol positive reaction processes produced protoplasm Protozoa pseudopodium react reaction to gravity reaction to light reflex region result reversal sea anemones sea urchin seen shown solid solution source of light species specimens spiral Stentor stimulating agent substances surface swarm spores swim backward swims forward temperature tentacles theory tion trichocysts tropism tube turning usually varied movements Vorticella