Chars of Living Things
How many characteristics of life are there?
6
How many cells does a unicellular organism have?
One
All energy on Earth comes from this.
Sun
What is another name for Homeostasis?
Balance / Maintain Internal Condition
What are the steps of the scientific method in order?
observation, question, hypothesis, experiment, analysis, conclusion
How many of the characteristics of life does something have to have to be considered alive?
All 6
How does a unicellular organism grow and develop?
Get bigger
What is the definition of reproduction?
The process by which one or more organisms make new organisms.
How many types of stimuli are there?
2 (External, Internal)
Which variable does the scientist manipulate or change during an experiment?
independent variable
How many different types of stimuli are there?
2
How does a multicellular organism grow?
More cells
In what way do unicellular organisms reproduce?
Splitting and making a copy of themselves.
What type of stimuli happens on the outside?
External
Which variable does the scientist measure during an experiment?
dependent variable
A _____ is the smallest unit of life.
Cell
Groups of cells doing specialized jobs.
In the example from the notes, what organism is furthest away from the energy provided by the sun?
Mountain Lion
When Homeostasis is not maintained what can happen to the organism?
Get sick or die.
identify the independent variable for the hypothesis: If people drink orange juice every day, then they won‘t get sick.
you change which people get orange juice or not (answer=orange juice)
What are the 2 types of living things?
How are unicellular organisms organized?
Structures that do special jobs.
Why can multicellular organisms live longer than unicellular ones?
They are groups of cells that work together. The cells in the groups can be replaced.
Give 3 example of external stimuli.
Teacher's discretion on the third
identify the dependent variable: If people drink orange juice every day, then they won’t get sick
you will measure how many people get sick (dependent variable=#people sick)