Scientific drawings are an important part of the science of biology and all biologists must be able to produce good quality scientific drawings regardless of your artistic ability.
Drawings not only allow you to record an image of the specimen observed but more importantly, they help you to remember the specimen as well as the important features of the specimen. You will be required to look at a large number of specimens during this course and you are much more likely to remember them if you have to draw each one.
Drawing a specimen requires you to pay attention to detail so that you can re-create it on the sheet. While doing this, your brain is recording these same features in such a way that you can recall them if necessary (for example in an exam).
Simply observing pictures of specimens in a book or on a computer screen is less effective when it comes to remembering and understanding what you observed. All drawings done for this course must adhere to standard rules of scientific illustration. The following are some guidelines that you are to use when illustrating specimens:
1) Look at the specimen carefully and examine the significant features that will be included in the drawing.
2) DRAW ONLY WHAT YOU SEE!! Do not include what you think you should see.
3) All drawings must be done in pencil ONLY.
4) Drawings must be large and clear so that features can be easily distinguished.
5) No more than two drawings should be on a single page.
6) Always use distinct, single lines when drawing.
7) To illustrate darker areas on a specimen, use stippling or dots. Do not shade in any area of your drawing.
All drawings must have the following indicated:
– Title (give a full, clear and concise title that explains what is being illustrated)
– Magnification (indicate the magnification at which the specimen was observed)
– Labels (always include labels of the important features of the specimen. Each label line must be straight and should not overlap with other label lines; all labels must be to one. Annotations are used to give information about the specimen that cannot be seen on the diagram (e.g. you may want to record that the nucleus was stained blue or that the two flagella on the organism could not be seen and so are not included on the diagram.
– Scale (always include a scale bar indicating the length or width of the specimen drawn)
9) Be sure to underline scientific names. All scientific names must be written as follows: Genus (beginning with a capital letter) species (beginning with a common letter) e.g. Amoeba proteus.
When doing scientific drawings, use the following checklist to make sure your drawings have all the required components:
- Two drawings per page
- Drawing title
- Labels and annotations
- Scale bar
- No shading, only stippling (dotting)
- No sketchy lines, only single lines
- All scientific names underlined
- All drawing neat and clean
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