Chapter One Vocabulary Flashcards
Science
An organized way of using evidence to learn about the outside world
Observation
Using one or more of the senses to gather information
Data
Information gathered from observations
Inference
A logical interpretation based on prior knowledge and experience
Hypothesis
An explanation for a set of observations
Spontaneous Generation
The idea that life could arise from non-living matter.
Controlled Experiment
An experiment where only one variable changes at a time.
Manipulated Variable
The variable that is deliberately changed
Responding Variable
The variable the changes in response to the manipulated variable
Theory
A well tested explanation that unifies a broad range of observations
Biology
The Science that seeks to understand the living world
Sexual Reproduction
Two cells from different parents unite to produce the first cell of the new organism.
Asexual Reproduction
The new organism has a single parent
Metabolism
The set of life-sustaining chemical reaction in organisms
Homeostasis
The process by which organisms keep their internal conditions relatively stable
Evolve
Change overtime
Metric System
A decimal system of measurements whose units are based on certain physical standards and are scaled on multiples of 10
Microscopes
Devices built to observe microscopic organisms
Cell Fractionation
The act of separating different cell parts
Microscope
Devices built to observe microscopic organisms.
Compound Light Microscope
Microscope that allows light through
Electron Microscope
Focus beams of electrons on the specimen being studied
Cell Culture
Used to test cell responses under controlled conditions
Redi
A scientist who proved that decaying meat does not produce maggots.
Spallanzani
A scientists who proved that microorganism will not grow in boiled and sealed gravy but will in unsealed boiled gravy.
Pasteur
A scientist who proved that spontaneous generation is not possible without microorganisms.
Scientific Method
- Question
- Hypothesis
- Test
- Results/Analysis
5.Conclusion
6.Publish
Qualitative Observation
The Observations which uses the five senses.
Quantitative Observation
The Observation which uses numerical and statistical value.
Cell
Smallest Unit of Life
Biosphere
The part of earth that contains all ecosystems.
Ecosystem
Community and it’s non-living surroundings
Community
Populations that are together in a defined area.
Population
Group of organisms of one type in the same area.
Organism
Individual living thing made up of cells
Group of Cells
Tissues, organs, and organ systems.
Molecules
Group of atoms; smallest unit of most chemical compounds.
Redi’s Experiment on Spontaneous Generation
Controlled: Jars
Manipulated: Gauze covering the jars
Responding: Whether maggots appear
Spallanzani’s Experiment on Spontaneous Generation
Controlled: Boiled Gravy
Manipulated: Flask On or Off
Responding: Whether microorganism appear.
Pasteur’s Experiment on Spontaneous Generation
Controlled: Broth is Boiled.
Manipulated: Covered Neck On or Off.
Responding: Whether Microorganisms Appear
Organism Development
When a single fertilized egg divides again and again.
Differentiation
Cells begin to look different from one another and perform different functions.
Stimulus
A signal to which an organism responds.
