Intro to science
The investigation and exploration of natural events and of new information that results from those investigations
Science
Mention 2 reasons why we can't know when and how was life originated?
1. Lack of evidence
2. Many possible explanations
3. No one was there
What is an organism?
Things that have all the characteristics of life
How Aristotle classified organisms?
Animals: Red blood, environment, shape and size
Plants: Trees, shrubs and herbs
Can Science study ghosts?
Justify your answer
No because is not a natural event
Spontaneous generation
Organization
Growth and development
Reproduction
Homeostasis
Response to stimuli
Use of energy
What are the domains of life?
Bacteria
Archaea
Eukarya
What are the 3 branches of science?
Life Science
Earth Science
Physical Science
Theory that explains how the chemicals from the primivite earth's atmosphere created the perfect conditions for life to evolve
Changes in the organism's environment that affect it
External stimuli
What are the characteristics of Protista?
- They can be uni or multicellular
- They have more complex cells than bacteria, that's why they're in a different kingdom
A possible explanation about an observation that can be tested by scientific investigations
Hypothesis
Who stated the theory from "Endosymbiosis"
Lynn Margulis
Organism's ability to maintain steady internal conditions when outside conditions change
Homeostasis
Gives each organism a two-word scientific name
Binomial nomenclature
List the steps of the scientific method in the correct order:
1. Ask a question
2. Hypothesis
3. Prediction
4. Experiment
5. Analyze results
6. Conclusions
7. Communicate results
Law: Describes a pattern in nature that is ALWAYS true.
Theory: Explanation to observations based on knowledge gained from many observations and investigations
All organisms have structures that have specific functions. What characteristic of life is this?
Organization
List the correct order of the taxonomic classification: From the most general to the most specific
Domain
Kingdom
Phylum
Class
Order
Family
Genus
Species