Intro to Biology Review

Question 1

the similarities between the experimental group and the control group

Answer 1

control variables

Question 2

any living thing

Answer 2

organism

Question 3

explains whether the experiment supports or rejects the hypothesis

Answer 3

conclusion

Question 4

used to bring the image into sharp focus and only used on the medium or highest power objective

Answer 4

fine adjustment

Question 5

magnifies an image ten times

Answer 5

eyepiece

Question 6

variable that cannot exist without the other variable

Answer 6

dependent

Question 7

study of life

Answer 7

biology

Question 8

group that keep “normal” conditions and used to make comparisons

Answer 8

control group

Question 9

when a hypothesis is supported by evidence and verified over many years by many scientists

Answer 9

theory

Question 10

controls the amount of light for a microscope

Answer 10

diaphragm

Question 11

the thing being tested in an experiment

Answer 11

independent/experimental variable

Question 12

information collected during the experiment

Answer 12

data

Question 13

an educated guess

Answer 13

hypothesis

Question 14

supports the slide

Answer 14

stage

Question 15

the group that is treated exactly the same as the control group except for the experimental variable

Answer 15

experimental group

Question 16

a test of the hypothesis

Answer 16

experiment

Question 17

lenses of the microscope that magnify 4, 10, or 40 times

Answer 17

objectives

Question 18

organizes and analyzes the data and is usually displayed in graphs or charts

Answer 18

results

Question 19

used at first to begin focusing the image and only used on the lowest power objective

Answer 19

coarse adjustment

Question 20

all things biologists study

Answer 20

life -> plants, animals, fungi, algae, bacteria

Question 21

which adjustment knob of the microscope should you always begin focusing with?

Answer 21

coarse

Question 22

which adjustment know of the microscope should be used while on high power?

Answer 22

fine adjustment

Question 23

how is total magnification calculated?

Answer 23

eyepiece X objective lens

Question 24

what is needed for a correct microscope drawing?

Answer 24

title, labels, total magnification

Question 25

five parts to the scientific method

Answer 25

observation, question/problem, hypothesis, experiment, conclusion

Question 26

on which axis of the graph is the dependent variable?

Answer 26

y-axis

Question 27

on which axis of the graph is the independent variable?

Answer 27

x-axis

Question 28

all things required for a correct graph

Answer 28

title, labels with units, scale, best-fit line, independent and dependent variable

Question 29

what % of the graph should you use?

Answer 29

at least 70%

Question 30

what should you be wearing when working with chemicals?

Answer 30

pants, closed toe shoes, gloves, laboratory coat, eye protection

Question 31

bacteria, unicellular, lacks membrane-bound organelles

Answer 31

prokaryotes

Question 32

not bacteria (plants, animals, algae, fungi), multicellular, have membrane-bound organelles

Answer 32

eukaryotes

Question 33

why do cells become less efficient as they get larger?

Answer 33

surface area to volume ratio decreases

Question 34

what are the 3 parts of cell theory?

Answer 34

all organisms are comprised of cells, all cells come from pre-existing cells, cells are the base unit of structure and function

Question 35

what are the 6 characteristics of all living things?

Answer 35

can reproduce, grow/develop, respond to stimuli, have metabolism, made of cell(s), have internal organization