Intro to Biology
Presentation
•
Biology
•
9th Grade
•
Practice Problem
•
Hard
Jacqueline Badurski
Used 45+ times
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13 Slides • 0 Questions
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Intro to Biology
by Ms. Badurski
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Independent Variable
The variable you are changing
You only have one of these
This is done first
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Dependent Variable
The variable that might change
The responding variable
It might change
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Control
Group does not get IV
Used to compare
Makes experiment valid
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Constant
Stays the same
There are many in a good experiment
Makes it reliable
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Biology
The study of life
BIO means life
One branch of science
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Biotic
Living factors
Remember BIO means living
Opposite of abiotic
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Abiotic
Non-living factors
Air, water, soil, sunlight, temperature
Were never living
Opposite of biotic
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Adaptations
Help organisms survive
Changes to help survive
Takes a long time to change
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Homeostasis
A balance
Keeps things balanced in organisms
Necessary for survival
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Biological Community
All the plants
All the animals
Living in one area
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Population
All members of one species
Living in one area
Plant or animal
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Ecosystem
All biotic and abiotic factors in one area
Co-exist together
Pond, river, field, valley, beach, forest
Intro to Biology
by Ms. Badurski
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