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barker middle

packet 4

QuestionAnswer
Define and give an example of Ingestion Taking in food. Example - Animals eat plants
Define and give an example of Digestion Breaking down food Example - Humans begin digestion in the mouth
Define and give an example of Excretion Getting rid of waste products Example - mammals breathe out carbon dioxide
Define and give an example of Circulation Transporting materials to all parts of an organism Example: Xylem and phloem transport food and water in plants
Define and give an example of Respiration Releasing energy stored in food by combining it with oxygen. Example - Muscle cells convert nutrients into energy to move
Define and give an example of Reproduction Making more of one's own kind Example - Bacteria splitting into two cells
Define and give an example of Response to Stimuli Reacting to changes in the environment Example - jumping at sound of loud noise
Define and give an example of Growth and Development As organisms age, body structures grow and change Example: caterpillars change to butterflies
What is the power of the eyepiece 10X
What is the greatest magnification for Low. 40X (10 x 4=40X)
What is the greatest magnification for medium 100X (10 x 10=100X)
What is the greatest magnification for high 400X (10 x 40=400X)
What identifies a compound microscope They have two lenses
What is the proper way to carry a microscope With two hands - one on the arm and one on the base
If you are looking at a paramecium through the microscope and it moves left out of the field of view, which way did it actually move It moved right
What if it moved down It moved up
AS you move from low to medium and finally high power, how much of the specimen are you actually seeing each time if it is low power you see more of the specimen with less detail
As you move from low to medium and finally to high power, how much of the specimen are you actually seeing each time if it is high power you see less of the specimen with more detail
Your field of view is very dark. What part of the microscope do you adjust to make it lighter Diaphragm
How do you make a wet mount slide -Put specimen on slide -Place drop of water on the specimen -Cover with coverslip -Press coverslip to remove air bubbles
What do you use to focus first Coarse Adjustment knob
What do you use to focus second Fine Adjustment knob
What is a variable Any factor that can affect an experiment (ie. variables for plants could include: water, light, soil, etc)
Why is a variable important when performing an experiment? Use the terms controlled and experimental in your answer All variables must be the same between the control group and the experimental group except for the one variable being tested.
Which parts of the lab do you write before the experiment -Problem -Hypothesis -Materials -Procedure
Which parts of the lab do you write after the experiment Data and conclusion
Describe 3 questions you might be asked in the conclusion of a lab -What is the answer to the problem question -Was the hypothesis supported? How do you know -Was the experiment controlled? -How do you know the experiment was controlled or not controlled -Why do you think the results turned out the way they did -Why
Can you have an experiment with 3 variables. Why or why not? No. If more than one variable was changed then you would not know which variable was important and why it was important
Created by: KellyTravis