Chapter 1: The Study Of Life Flashcards
What is a Eukaryote?
A cell or organism that has a membrane bound nucleus and organelles
What is a Prokaryote?
A cell or organism that lacks a nucleus or other membrane bound organelles
Define homeostasis
Process by which a cell/organism maintains internal condition within certain environmental changes
What are the properties of life?
- Energy Use
- how they take in energy
- animals vs plants
- consumer vs producer
- Regulation
- Homeostasis
- regulating itself through environmental conditions
- Reproduction, Growth and Development
- capable of all 3
- Evolution
- organisms adapt by natural selection
- Order and Response
- life characterized by ordered structure and organization
- ability to sense and respond to things
- Life has Hierarchy
- cell is smallest matter alive
What are all the Domains?
Archaea
Bacteria
Eukarya
What are each Domain’s Kingdoms?
Archaea
- Archaea
Bacteria
- Bacteria
Eukarya
- Animalia
- Plantae
- Fungi
- “Protista”
Which domains do prokaryotes belong to?
Archaea
Bacteria
What is taxonomy?
Naming and classifying species and grouping organisms according to their shared characteristics
What is binomial nomenclature?
Two terms (genus and specific epithet) are used to denote a species of a living organism
Which level of organization is the fundamental unit of life?
The Biosphere
What is the hierarchal system of classification developed by Linnaeus?
Domain Kingdom Phylum Class Order Family Genus Species
What are the rules for writing a species name?
1st - Genus
2nd - Specific epithet
Genus is capitalized
Specific epithet lower case
Name italicized/underlined
What is the scientific method?
- Observations
- observe something
- Questions
- ask a question about it
- Hypothesis
- propose a solution
- Predictions
- predict the outcome of acting upon the solution
- Test
- experiment the hypothesis
- Results
- did you predict correctly? Is the hypothesis verified?
— if not, try a new hypothesis
