definitions
This means maintaining a consistent internal environment (like keeping body temperature not too high or too low).
homeostasis
A baby turns 6 months old and gets its first tooth. This is an example of what characteristic of life?
growth and development
The first step in the scientific method is that a scientist must notice something interesting. We call this an _____________.
observation
A group of specimens that does not get the independent variable is called the ________________.
control group
Which is a lie:
1. Mrs. Winkler has herded sheep on horseback.
2. Mrs. Winkler was a cabinet builder for 2 years.
3. Mrs. Winkler moved to California to chase a guy.
#3
Mrs. Winkler has never lived in California.
This is a kind of data that uses numbers to describe results.
quantitative data
When my cat hears the crinkle of the bag of kitty treats, she comes running. What characteristic of life is this?
respond to environment
A scientist must for an educated guess about what an experiment will show. This is called a ____________.
A group of specimens that does receive the independent variable is called the _______________.
Experimental group
How old is Mrs. Winkler?
52
This is the smallest unit of life.
cell
Humans share 96% of their genes with chimpanzees. What characteristic of life does this statement mention?
universal genetic code (DNA and RNA)
Scientists create a kind of experiment where all the variables are the same except for the one they are testing. This kind of experiment is called a _________ experiment.
controlled
This variable is the responding variable. It changes in response to the other variable.
dependent variable
What is the best sandwich?
BLT
This ties many hypotheses together to make a well-tested explanation for a range of observed phenomena.
scientific theory
Sharing similar DNA means that two different living things came from a common ancestor. This refers to what characteristic of life?
evolution
Scientists collect measurements to understand what is happening during an experiment. These measurements are called __________.
This variable is the one we are manipulating or testing to see if it causes changes to anything during the experiment.
independent variable
What do we call a group of crows?
a murder
This is a simple, true, universal and absolute proven statement.
scientific law
This characteristic of life can be sexual (two parents, combination of genes) or asexual (one parent, baby same as parent)
reproduction
Scientists collect the results of the experiment, study the data, and decide what happened. We call this drawing a _______________.
conclusion
Scientists must remain skeptical of ideas and hypotheses. They refuse to accept explanations without ____________.
evidence
What is a baby cat called?
kitten