Unit 1 (Characteristics of Life, Scientific Method, Experimental Design) Flashcards
Characteristics of Life
What are the 9 characteristics of life?
Homeostasis, Response to Stimuli, Growing and Developing, Cells, Organization, Reproduction, DNA, Energy, Adaptations
Characteristics of Life
What is homeostasis?
Keeping the body in a balanced state
ex; placing a fish in their wrong habitat will kill it
Characteristics of Life
What are the levels of organization?
Atom, Molecule, Organelle, Cell, Tissue, Organ , Organ system, Organism
(in order from smallest to largest)
Characteristics of Life
True or False: Viruses are made out of cells
False
Characteristics of Life
What are the two main factors in the structure of a virus?
Nucleic Acid and Capsid
Characteristics of Life
Why do most biologists consider viruses to be non living?
All living things are made of cells and viruses aren’t made out of them
The Scientific Method
1st step
Make observations
The Scientific Method
2nd step
Ask a question
The Scientific Method
3rd step
Background research
The Scientific Method
4th step
Hypothesis
The Scientific Method
5th step
Design an experiment to test your hypothesis
The Scientific Method
6th step
Perform experiment and collect data
The Scientific Method
Last step
Draw conclusions
The Scientific Method
What is quantitative data?
Counting or Measuring
(length, volume, weight)
The Scientific Method
What is qualitative data?
Descriptive or Observed
(color, texture, smell)