Search Results

Refine Your Search

Displaying Results 1 - 2 of 2
  • Date: 05/24/1977
    Resource Category: Peer-reviewed article
    A Maryland school district and the Smithsonian Institution have become partners in outdoor science education. Working together, they have developed a series of activities for students in grades 1-8 that are an integrated part of a total unified science curriculum, meeting the need of teachers and students alike. ... »
  • Date: 05/24/1974
    Resource Category: Peer-reviewed article
    Biological sampling procedures that remove organisms or litter from the system being studied potentially bias the results. Bias can be estimated by considering the experimenter as a consumer in the system, and comparing experimenter consumption to other organisms feeding at the same trophic level. H. T. Odum's classic work is examined in light of ... »