Needs of Living Things
This gas is needed by cells to perform cellular respiration
What is oxygen?
All organisms are made up of these small building blocks of life.
What are cells?
Basic building block in all organisms
What are Cells?
A change in an organism's surroundings that causes the organism to react
What is a Stimulus
The variable being tested in an experiment
What is the dependent variable?
Used as an energy source
What is Food?
What is a response to surrounding/stimulus?
A change in position or a chage from one place to another.
What is movement/locomotion?
What is a Response
The variable that is changed/manipulated in an experiment
What is the independent variable?
Place where an organism can get food, water, and find shelter
What is Living Space/Shelter?
to take in food or nutrients
What is Ingestion/digestion?
To convert food energy into cell energy in the presence of oxygen
What is respiration?
The process of becoming larger
What is Growth
A researcher wants to determine if the color of an office has any effect on worker productivity. n an experiment, one group of workers performs a task in a yellow room while another performs the same task in a blue room. In this example, the color of the office is.....
What is the independent variable?
Maintaining a balance between an organisms internal environment and their external environment
What is Homeostasis?
To increase in size
What is growth/development?
To release metabolic waste from the body
What is excretion?
The process of change that occurs during an organisms life
What is Development?
Example of a multicellular organism
Will be judged by the teacher
Provide an example of homeostasis
What is sweating when you are hot/shivering when you are cold?
Useful substances produced and discharged by any living thing
What is secretion?
The sum of all chemical reactions in the body
What is metabolism?
Urea, CO2, salt, water
What are wastes?
These secrete hormones and other useful substances
What are glands?