Biology Basics
What is the smallest level of organization that has all the characteristics of a living thing?
A cell
Mrs. Murdick wants to know if giving her students calculators will help improve their test grades. What is the DEPENDENT variable in this situation?
Test Grades
Neutral
A type of bond where atoms share electron pairs to achieve a stable
electron configuration.
covalent bond
A certain atom has 6 protons and 6 neutrons. What is the mass number of this atom?
12
After his experiments with smallpox, Dr. Jenner submitted his study to the Royal Society for Medicine. What stage of the Scientific Method was this?
Peer Review
Mrs. Murdick wants to know if giving her students peppermint will help improve their test grades. What is the INDEPENDENT variable in this situation?
Calculators
On a bohr model, how many electrons can fit in the first shell of an atom?
2
An ion with a negative charge is known as an...
Anion
The total number of protons and neutrons in an atom is known as the ________.
Mass Number
The human body shivers in order to generate heat when it is cold in order to maintain a stable internal temperature. What characteristic of life is this an example of?
Homeostasis
If the Y variable tends to increase as the X variable increases, what type of correlation will be shown?
Positive Correlation
On a bohr model, how many electrons can fit in the second shell of an atom?
8
A calcium ion has a net charge of +2. What type of ion is this an example of?
The variable which is measured or observed in an experiment.
Dependent Variable
What level of biological organization would include all the living things in a habitat, but NOT the non-living matter? Ex: Salamanders and Trees, but NOT Soil
Community
This type of graph is often used to
show relationships between
independent and dependent
variables.
A Scatterplot
Carbon has an atomic number of 6. How many valence electrons will carbon have?
4
Oxygen has 8 protons. How many electrons will a neutral atom of oxygen have?
A certain atom has 19 electrons and a net charge of +1. How many electrons does this atom have?
18
All the Zebras in an area are an example of which of the following levels of biological organization:
Population
Katie Jo takes a poll of her classmates favorite animals. 5 favor koalas, 3 favor sloths, 2 favor tigers, and 4 favor eagles. What type of graph would be best for Katie Jo to represent this data?
A bar graph
An certain atom has 20 protons and 18 electrons. What is the net charge of this atom? (Give a charge and a number)
Positive Two
What four elements make up 96% of all living matter? (You have to list ALL FOUR)
Oxygen, Hydrogen, Nitrogen, and Carbon
An certain atom has 19 protons and 18 electrons. What is the net charge of this atom? (Give a charge and a number)
Positive One (+1)