What are the rules for drawing a biological specimen?

• Rules for Biological Drawings.
• Drawings, labels, label lines, title, and underlining must be done using pencil only on unlined paper (NEVER lined, graph, or coloured paper).
• Drawings should be large, preferably 1 drawing to a page (2 maximum, unless otherwise instructed by your teacher).

What is the importance of biological drawing?

It is important in biology to be able to create a meaningful record of your observations during a lab. This can be accomplished through a biological drawing. The following criteria will be used in determining a mark for each drawing. These are to help you improve your care and skill as an observer.

What is biological drawing in biology?

Biological illustration is the use of technical illustration to visually communicate the structure and specific details of biological subjects of study. This can be used to demonstrate anatomy, explain biological functions or interactions, direct surgical procedures, distinguish species, and other applications.

What is a biological diagram?

What Is Biological Diagram. A biological diagram illustrates the structure of a specimen and describes the specific details about its different parts to explain its biological function.

What is a plan drawing in biology?

A plan diagram shows the distribution of tissues in an organ, not individual cells. A cross section of leaf, stem and root. Prokaryotes and Eukaryotes. There are only 2 basic types of cells, primitive prokaryotes and the more complex eukaryotes.

What rules must be followed when making microscope drawings?

What is magnification in biological drawing?

Scale, or magnification, is simply how much bigger or smaller the drawing is compared with the actual specimen.

How do you draw a plan diagram in biology?

How do you draw a simple biology diagram?

1. Draw in pencil.
2. Optimise the space provided.
3. Lines of diagrams should be clear and continuous.
4. No colouring or shading.
5. Make sure the proportions are right.
6. Include a title.
7. About label lines..

What is low plan drawing in biology?

Low-power plan diagrams This type of diagram only shows the outlines of the different tissues. It should never show individual cells. Students may be familiar with the specimen (e.g. a cross section of a root or stem) but it is important that they only draw what they can see and not what they think they should see.

How do you make an accurate scientific drawing?

Put your name, class color, and date in the top RIGHT hand corner • Use a ruler to draw label lines • Do not use arrows for label lines • Label lines do not cross each other • Label lines should point to the center of the structure being labeled • Print all labels horizontally • Print, do not write in cursive • Label …

How do you determine the size of an image in biology?

1. Magnification = image size / actual size.
2. Actual size = image size / magnification.
3. Image size = magnification x actual size.

What is biological magnification example?

One example of biomagnification is the accumulation of insecticide DDT which gets accumulated in zooplanktons. Small fishes consume these zooplanktons. Small fishes are consumed by large fish which are finally consumed by fish-eating bird present at the highest position in tropic level.

What is a high power drawing?

High-power diagrams A high-power diagram generally does show individual cells. For a high-power diagram of a microscope slide, CIE require that students are provided with a microscope with a x10 eyepiece lens and high-power objective lens (x40). For a high power diagram: draw only a few representative cells.

What must you include in a scientific drawing?

• Two drawings per page.
• Drawing title.
• Magnification.
• Labels and annotations.
• Scale bar.
• No shading, only stippling (dotting)
• No sketchy lines, only single lines.
• All scientific names underlined.

How do you make a good scientific illustration?

1. Research, Research, & More Research! You have a topic for a new project, now you need to get started.
2. Preliminary Sketches. Preliminary sketches will look very rough.
3. Practice Using Selected Media.
4. Decide on General Composition & Transfer Drawing.
5. Work on Final Drawing.
6. Revise & Finalize!

What unit is image size in biology?

Generally, microscopic structures are measured in micrometres (µm) but the smallest unit available for measuring the image on the paper is with a ruler in millimetres.

How do you calculate magnification and size of biological specimens?

1. Measure the scale bar image (beside drawing) in mm.
2. Convert to µm (multiply by 1000).
3. Magnification = scale bar image divided by actual scale bar length (written on the scale bar).

How do I determine the size of an image?

1. Multiply the width and height of the image, in pixels, to get the total pixel count.
2. Multiply the total pixel count by 3 to get the image size in bytes.
3. Divide the number of bytes by 1024 to get the image size in kilobytes.

What causes biological magnification?

Biomagnification happens when toxic chemicals, like DDT, whose remains in the environment are consumed indirectly by organisms through food. When an organism in the higher food chain consumes the lower organism containing such chemicals, the chemicals can get accumulated in the higher organism.

What types of materials are likely to undergo biological magnification?

What types of materials are likely to undergo biological magnification? Toxins in the environment like PBC’s and ddt. the toxins are then ate by the next level and that level has to eat a lot to keep up with the energy.

What is biomagnification in simple words?

Biomagnification, or biological magnification, is the increasing buildup of toxic substances within organisms that happens at each stage of the food chain.

What are the rules in drawing?

• SKETCH LIGHTLY.
• LOOK AT THE SHAPE.
• LOOK AT THE SIZE.
• LOOK FOR LIGHT AND SHADE.
• TAKE YOUR TIME.

How do you draw a scientific picture?

How do you draw a scale bar for a biological drawing?