Science Chapter 7

Question 1

Vaccine:

Answer 1

prevents bacterial disease

Question 2

Endospores:

Answer 2

thick walled structures that botulism makes

Question 3

Pathogens:

Answer 3

any organisms that cause disease

Question 4

Nitrogen-fixing bacteria:

Answer 4

bacteria that changes nitrogen that makes air usable for other plants

Question 5

Saprophytes:

Answer 5

bacteria that helps balance nature

Question 6

Antibiotics:

Answer 6

chemicals that send bacteria that limit the growth of other bacteria

Question 7

Anaerobe:

Answer 7

any organism that is adapted to live without oygen

Question 8

Aerobe:

Answer 8

a organism that needs oxygen (and uses) when breaking down food

Question 9

Fission:

Answer 9

an asexual process that produces two new cells with genetic material identical to each other

Question 10

Flagella:

Answer 10

whiplike tails that help bacteria move

Question 11

Toxins:

Answer 11

poisonous substances produced by some pathogens

Question 12

_____ are microscopic, living cells

Answer 12

bacteria

Question 13

bacteria live almost __________, even in extreme conditions

Answer 13

everywhere

Question 14

Most bacteria reproduce by…

Answer 14

fission

Question 15

Bacteria can be producers that make their own food, ______ that break down dead organisms or parasites living in organisms

Answer 15

consumers

Question 16

Most bacteria are _______, which some being anaerobes

Answer 16

aerobes

Question 17

Bacteria are classified into two _____

Answer 17

kingdoms

Question 18

what are the two kingdoms of bacteria?

Answer 18

eubacteria, and archaebacteria

Question 19

cyanobacteria:

Answer 19

produce their own food, commonly blue-green; some may be black, yellow, or red

Question 20

cyanobacteria produces _____

Answer 20

bloom

Question 21

consumer eubacteria are grouped by…

Answer 21

cell wall thick/thinness

Question 22

Where are archaebacteria oftely found?

Answer 22

in extreme conditions like salty or acidic, even hot environments

Question 23

one anaerobic group produces ______ gas

Answer 23

methane

Question 24

Most bacteria are helpful, which are necessary for human ______

Answer 24

health

Question 25

some bacteria produce _________

Answer 25

antibiotics

Question 26

saprophytes:

Answer 26

bacteria that use dead organisms as food, thus recycling for us

Question 27

bioremediation:

Answer 27

how bacteria can be used to clean the environmental pollution

Question 28

some bacteria break waste into ______ compounds, which they also eat pollutants

Answer 28

harmless