lunes, 6 de agosto de 2012


head__r1_c1.gifCOLEGIO COLOMBO GALES
DIVISIÓN DE BACHILLERATO
     ÁREA DE CIENCIAS NATURALES Y AMBIENTALES
BIOLOGÍA
LABORATORIO-OCTAVO
NAME:_________________________________________________
1.   TITLE
2.   PRELABORATORY
a)      How does the eye work?
b)      Draw and label the eye structure and identify its main parts.
c)      What are the common Length and weight of human eye?
d)      What determine the colour of your eyes?
e)      Why some animal have a better Nocturnal Vision?
f)       Describe how eyes are related with brain?

3.   Defining the problem and selecting variables
4.   Controlling variables
5.   Developing a method for collection of data
6.   RESULTS
Specify each step in the procedure with drawings made by yourself identifying its parts and main observations
7.   Recording raw data
8.   Processing raw data
9.   Presenting processed data

ANALYSIS AND DISCUSSION
1. Write functions of following eyes parts:
a. Aqueous humour, b. blind spot, c. Blood vessels, d. ciliary body , e. cones, f. cornea, g. focal point, i. fovea, j. Iris , k. lens, l. optic nerve, m. pupil, n. retina ,o. rods, p. sclera, q. suspensory ligaments, r. tapetum , s. Vitreous humour .
2. According to functions, explain how does reflection work in vision?
3. Research about  rods and cones, explain their function?
4. Why do animal eyes glow at night?  What causes glowing colours in animal’s eyes? Which part is involved in this effect?
5. Describe how is made the image in the eye, include all parts involved in this process? Describe how a camera works.  Explain how human eye compares with a camera.
6.In Physiological and anatomically , What was the most interesting fact you experienced in this lab?
7. States a conclusion, with justification, based on a reasonable interpretation of the data.
8. Evaluates weaknesses and limitations
9. Suggests realistic improvements in respect of identified weaknesses and limitations.

BIBLIOGRAPHY
http://www2.mbusd.org/staff/pware/labs/CowEyeDissection.pdf

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