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Life Science 1-3 Rev

Review for Assessment

QuestionAnswer
When focusing a specimen, you should always start with the ___________________ objective. Coarse focus
When using the high power objective, only the ________ knob should be used. Fine focus
You should always store your microscope with the ________________ objective in place. low power (scanning power)
What part of the microscope can adjust the amount of light that hits the slide? Diaphragm
Why do your cheek cells look different from your heart cells? Because they perform different functions in your body.
What did Anton von Leeuwenhoek discover under a microscope? Pond water organisms moving
What are the 5 characteristics of living things? growth, reproduction, metabolism, and response to stimuli and made of cells
What is an organism? An individual animal, plant, or single-celled life form
Mark all the things that are true both of single-celled organisms and a multi-celled organism. grow, reproduce and use energy from food or make their own food
What is the main difference between a paramecium and your cheek cell? The paramecium can live on its own and your cheek cell cannot.
List the organization of the human body start with cells, the basic unit of structure and end with you, the organism. cells, tissues, organs, organ systems, organism
Organisms can be made up of many cells or a single cell. True
______________________ rely on systems and subsystems to function properly and efficiently. multi celled organisms
A system is made up of parts that connect and interact. True
A system can contain a _______________ or be a ____________________ for a larger system subsystem
Created by: mrslafond
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