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Стр. 917
This was pointed out in a trol by biological means . Insect para- populations . Morton Beroza ( U.S. Despecial address delivered by Robert sites and predators play major roles partment of Agriculture ) cited examGlen ( Canada Department ...
This was pointed out in a trol by biological means . Insect para- populations . Morton Beroza ( U.S. Despecial address delivered by Robert sites and predators play major roles partment of Agriculture ) cited examGlen ( Canada Department ...
Стр. 918
Dew diations for insect detection and con- the chief means of communication betrol was reviewed by F. R. Lawson , tween insects of a given species in who also reported on research con- connection with reproduction , accordducted by him ...
Dew diations for insect detection and con- the chief means of communication betrol was reviewed by F. R. Lawson , tween insects of a given species in who also reported on research con- connection with reproduction , accordducted by him ...
Стр. 1468
Amphiuma means tridactylum in southern Louisiana are collected from sewage and swampy ditches — areas of low oxygen tension . Many of these ditches dry out during the summer and the Amphiuma go underground to avoid dessication .
Amphiuma means tridactylum in southern Louisiana are collected from sewage and swampy ditches — areas of low oxygen tension . Many of these ditches dry out during the summer and the Amphiuma go underground to avoid dessication .
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AAAS acid action activity addition American analysis animals appears applications Association biological cells Center chairman chemical chemistry chromatography complete containing crystals cytoplasm Department designed determined direction discussion effect electron engineering experiments field function human important increase indicated Institute interest International laboratory light lipid magnetic material means measurements mechanism Medical meeting ment methods Michigan Model natural observed obtained occur operation organic origin percent physical plant position possible potential present Press problems produced range recent recorded References region reported samples School Science scientific scientists similar single Society space species standard structure studies suggest surface temperature tion United Univ University volume Washington write York