Biological levels
the basic unit of life
What is a cell?
the scientific study of life
What is biology
either asexual, involving a single parent organism, or sexual, requiring two parents.
What is reproduction
data is descriptive (no numbers)
What is qualitative?
The cause is the -
The effect is the-
The cause is the - independent variable
The effect is the- dependent variable
a group of organs that work together to perform specific bodily functions
What is an organ system?
Cells do not contain a nucleus; they have a different cell wall from bacteria.
What is archaea
Individual cells become larger in size, and multicellular organisms accumulate many cells through cell division.
What is Growth
A possible explanation. Leads to a prediction that will be tested.
What is a hypothesis?
Name the dependent and independent variable:
How well do different plant species tolerate salt water?
Independent:
- The amount of salt added to the plants’ water
Dependent
the largest biological level
What is the biosphere?
The population of lions in Kenya, plus the populations of gazelles, giraffes, elephants, dung beetles, and all other species in that area, add up to a
What is community
Everything is made of complex chemistry that provides structure for an organism. This structure is consistent across all species within that population
What is order
data includes numerical Measurements
What is quantitative
Name the dependent and independent variables:
- You are interested in whether a higher minimum wage impacts employment rates.
- You can’t control the minimum wage yourself. Instead, you look at a state that raised its minimum wage last year, and compare it to a neighboring state that did not.
made up of all the communities in a certain area, as well as all the non-living, physical components of the environment
What is an ecosystem?
cells that do contain a nucleus
What is Eukarya
organisms show “irritability,” meaning that they react to stimuli or changes in their environment.
What is response to the environment
The things that stay the same in an experiment
What are controlled variables?
Name the dependent and independent variables:
How does phone use before bedtime affect sleep?
Independent:
-The amount of phone use before bed
Dependent:
-Number of hours of sleep
-Quality of Sleep
Name two major types of tissues
What is: Connective, Epithelial, Muscle, Nervous, Cardiovascular
maintenance of a stable internal environment
What is homeostasis
Living things must use energy and consume nutrients to carry out the chemical reactions that sustain life. The sum total of the biochemical reactions occurring in an organism is called
What is metabolism?
What changes as a result of the independent variable changing
What is the dependent variable?
Name the dependent and independent variables:
Do tomatoes grow fastest under fluorescent, incandescent, or natural light?
Independent:
The type of light the tomato plant is grown under
Dependent:
The rate of growth of the tomato plant