Show:
1-1 & 1-2
Characteristics of Life
Branches of Biology
1-4
Variables
100
Scientists investigate...
What is the natural world?
100
The smallest unit of an organism that can be considered alive...
What is a cell?
100
This branch includes only what's inside of the cell
What is molecular?
100
This kind of microscope makes objects look 1000x bigger than they are
What is the light microscope
100
This is the variable that scientists manipulate or change in order to observe its effects...
What is the independent variable?
200
The kind of data scientists gather
What is quantitative data?
200
This characteristic of life is passed on from parent to offspring
What is DNA?
200
This branch specializes in the smallest functional unit of life
What is cellular?
200
This technique involves putting a few cells in a nutrient solution and allowing them to reproduce
What is cell culturing?
200
This is the variable that scientists measure in order to observe the effects of the independent variable
What is the dependent variable?
300
A proposed scientific explanation for a set of observations
What is a hypothesis?
300
This characteristic of life is what causes you to squint when you go into the sunlight
What is responds to the environment?
300
This branch includes only members of the same species living in the same area
What is population?
300
This kind of microscope has the greatest magnification and is used to see the smallest objects
What is the electron microscope?
300
In an experiment measuring the effects of a new drug that lessens the symptoms of depression, one group is given the drug for one month and one is not. After the month is over, they measure how the patients feel. The independent variable is...
What is drug usage?
400
This is considered a valuable trait for scientists to have, as the field is always changing
What is skepticism?
400
This vocabulary term is the characteristic of life that causes humans to maintain a stable body temperature
What is homeostasis?
400
This branch includes all of the living and nonliving things in a particular area
What is ecosystem?
400
This technique is used to separate the different parts of the cell
What is cell fractionation?
400
In an experiment measuring whether a type of fertilizer helps plant growth, some plants are given the fertilizer and some are not. The plants' growth is measured to determine the effects. The dependent variable is...
What is plant growth?
500
For a hypothesis to be valid it must be this...
What is testable?
500
This characteristic of life can be witnessed as a baby becomes an adult
What is growth and development?
500
This branch includes many cells working together to perform specific functions
What is groups of cells?
500
This is the measurement system most scientists use
What is the metric system?
500
In an experiment that tests whether interactive presentations help students learn, material of similar difficulty is presented either with or without an interactive presentation. Retention of knowledge is tested by a short quiz. The independent variable is...
What is presentation style?