This means they should measure with a ruler the parts being drawn from and the drawings of specimens. ... Teachers should insist that students should use rulers to draw label guidelines horizontally, and all labelling should be printed. 5 . ... students to draw faint vertical lines, which represent the midline of the specimen for example cockroach, and the earthworm. ... The dissected specimen should be well exposed and internal organs needed for the study should be well displayed andanbsp;...
|Title||:||Science Teachers Association of Nigeria Annual Conference Proceedings|
|Author||:||Science Teachers Association of Nigeria. Conference, U. M. Nzewi|