Final Exam: Introduction to Biology

Question 1

Biology is the study of

Answer 1

Life

Question 2

What is the difference between quantitative and qualitative data

Answer 2

Quantitative: data that can be counted or measured (ex: There are 40 beads)
Qualitative: collecting data with observations and senses (ex: It is blue)

Question 3

Give an example of quantitative data

Answer 3

The dog weighs 50 pounds.

Question 4

Give an example of qualitative data

Answer 4

The dog is brown.

Question 5

What is a variable

Answer 5

any factor in an experiment that can be changed or tested

Question 6

Define independent variable

Answer 6

the variable that is controlled or predictable in an experiment (x-axis)

Question 7

Definite dependent variable

Answer 7

variable that changes in response to the independent variable (y-axis)

Question 8

What axis does each get graphed on

Answer 8

Independent variable: x-axis
Dependent variable: y-axis

Question 9

What axis does the independent variable get graphed on

Answer 9

x-axis

Question 10

What axis does the dependent variable get graphed on

Answer 10

y-axis

Question 11

What are the three steps of CER

Answer 11

1) Claim
2) Evidence
3) Reasoning

Question 12

Define claim (CER)

Answer 12

A statement that answers a question or problem

Question 13

Define evidence (CER)

Answer 13

the data from your experiment that supports your claim

Question 14

Define reasoning (CER)

Answer 14

explains why the evidence supports the claim

Question 15

Explain the difference between a hypothesis and a claim

Answer 15

Hypothesis: usually before the experiment, a testable educated guess

Claim: after the experiment, a statement regarding the data

Question 16

What are the characteristics of a hypothesis

Answer 16

A short definitive, if-then statement about what you think the results of an experiment will be

Question 17

What are the characteristics of a claim

Answer 17

a concluding statement that answers the original question/problem

Question 18

What are the 7 characteristics of all living things

Answer 18

1) Made of cells
2) Grow and develop
3) Reproduce
4) Obtain and use energy
5) They respond to their environment
6) Genes are based on a universal genetic code
7) Maintain homeostasis

Question 19

Define spontaneous generation

Answer 19

the idea that living things could arise from nonliving things

Question 20

Is spontaneous generation still thought to be true today

Answer 20

No; it was proved by Pasteur (broth and flask) and Redi’s (meat in jar covered in cloth)experiments