Biology 101 With A Lab CH. 2 Basic Terms and Skills in Biological Science

You want to know if pea plants grow faster than bean plants. You give both plants the same amount of water and the same amount and type of plant food. You place both plants by the window and measure their height daily. You compare heights after two weeks. This is an example of?

A controlled experiment

Which type of learning approach focuses on subdivided parts?

Analytic

A scientist is running a test of her hypothesis. Which step of the scientific method is she executing?

Experiment

A student needs a representation of a body system in a diagram that shows how concepts, or steps in a process, are related to one another. This is an example of what chart?

Flow Chart

Which type of chart illustrates relationships between concepts or steps in a process?

Flow Chart

Which languages contribute to most scientific vocabulary?

Greek and Latin

Which variable remains unaffected by the other variables of an experiment?

Independent Variable

Which of the following is viewed as scientific fact without any exceptions.

Law

Which type of chart plots the relationship between dependent and independent variables?

Line Graph

A controlled experiment tests how many variables at one time?

One

Which is a process that requires feedback from the scientific community?

Peer Review

Which type of chart compares data with relative percentages?

Pie Chart

At what step in the scientific method does a scientist propose the problem that he or she wants to solve?

Question

In order for a scientist's work to be accepted, other scientists must be able to _____ the experiment.

Repeat

What is the primary unit of a word called?

Root

Which of the following is NOT true about science?

Scientists never compete with one another.

Which word part appears only AFTER the root?

Suffix

An experiment should show that a hypothesis is either _____.

Supported or not supported

In an experiment investigating the effects of hormones on behavior, a group of ten mice are given food that contains hormones. A second group of ten mice are given food that does not contain any hormones. After one week, the amount of time spent interacting with another mouse is recorded for each animal. What is the independent variable in this experiment?

The hormones are the independent variable.

A hypothesis about smoking and cancer that has been tested and supported by 100 researcher groups over 25 years is an example of?

Theory

Which of the following is NOT one of the six key steps of the scientific method?

Theory

Which of the following summarizes an accepted hypothesis tested by many scientists?

Theory

Which type of learner prefers pictures and charts?

Visual

Using the scientific method, the analysis step includes _____.

comparing the results of an experiment to the prediction described in a hypothesis

Dr. Greene uses the same set of procedures that her peers use to test the effects of a medication on behavior. Dr. Greene uses _____.

the scientific method

Which axis is the horizontal axis?

x-axis