Nature Study for the Grades

Wilbur S. Jackman
1903 The Elementary School Teacher  
THE stress of the winter season taxes the powers of resistance in the living thing to the utmost. The gradually lowering temperature brooks neither excuse nor delay in those preparations which are necessary to insure the safety of the creatures that, but a few weeks before, would have been entirely blasted by a single hour of frost. It is-most natural, therefore, to turn the attention of the pupils, at this season, to the peculiar conditions assumed by living things in the winter, and to study
more » ... nter, and to study the various protective devices employed by animals and plants. Most of the birds, thanks to that wonderful invention, the feather, have sought safety and comfort in migration; but the insects, the mammals, the earthworms, the plants, and man have each worked out certain plans that enable them to remain on the
doi:10.1086/453197 fatcat:v4hgpck5kfgw7lktttxvv56k3y