week 5

Question 1

you discover a prokaryote that can make its own food in the absence of light. nutritionally, you would classify this prokaryote as a

Answer 1

chemoautotroph

Question 2

conjunction can best be described as

Answer 2

the process in which the plasmid of one bacterial cell is replicated and transferred to another

Question 3

spherical bacteria that occur in clusters are

Answer 3

staphylococci

Question 4

this type of bacteria can survive in environments that contain no oxygen

Answer 4

methanogens

Question 5

which protozoan group consists solely of parasitic forms

Answer 5

apicomplexans

Question 6

___ are responsible for toxic red tides

Answer 6

dinoflagellates

Question 7

the science of naming, identifying, and classifying organisms in called

Answer 7

taxonomy

Question 8

algae belong to this kingdom

Answer 8

protista

Question 9

bacteria obtain their energy by oxidizing inorganic substances, like sulfur are called

Answer 9

chemoautotrophs

Question 10

this roman contains humans

Answer 10

eukarya

Question 11

why is RNA thought to have been the first genetic material

Answer 11

RNA is capable of self replication; DNA is not

Question 12

ONe difference between the kingdom protista and the other three kingdoms in the domain eukarya is that the other kingdoms are mostly

Answer 12

multicellular

Question 13

the individual responsible for the current scheme of grouping organisms was

Answer 13

linneaus

Question 14

which of the following is not a kingdom

Answer 14

humans

Question 15

which one of the following is the only domain that contains eukaryotes

Answer 15

eukarya

Question 16

the scientific names we use to identify organisms are in the form of

Answer 16

binomials

Question 17

eukaryotes that are not fungi, animals, or plants are classified in a “catch-all” category called

Answer 17

protists

Question 18

which of the following taxonomic levels is most inclusive

Answer 18

class

Question 19

the simp lists and most abundant form of life on earth today are

Answer 19

bacteria

Question 20

according to the theory of endosymbiosis, which organelles evolved from small prokaryotes that established residence within other, larger prokaryotes

Answer 20

mitocondria and chloroplasts

Question 21

bacteria that are thermophiles live in extremely ___ places

Answer 21

hot

Question 22

extreme thermophiles belong to which group

Answer 22

domain archea

Question 23

which kingdom(s) were the first to colonize land

Answer 23

plantae and fungi

Question 24

when the bacteria cell walls are covered with an additional outer membrane, they are called

Answer 24

gram negative

Question 25

bacilli are ___ prokaryotes

Answer 25

rod-shaped

Question 26

what type of cells are bacteria cells

Answer 26

prokaryotic

Question 27

flagellates, amoebas, apicomplexans, and ciliates are all what type of protists

Answer 27

protozoans

Question 28

under harsh environmental conditions, some bacteria are able form thick walled ___ to protect them for hundreds of years until conditions improve.

Answer 28

endospores

Question 29

the structures that allow some gram positive bacteria to remain dormant for extremely long periods of time are known as

Answer 29

endospores

Question 30

a photoautotropic unicellular organism with a shell of silica is most likely a

Answer 30

diatom

Question 31

which of the following places can microbes be found

Answer 31

all of the above

Question 32

the prokaryotic group that tends to inhabit extreme environments belongs to

Answer 32

doman archaea

Question 33

this group of bacteria play a major role in the cycling of nitrogen, carbon and sulfur

Answer 33

eubacteria

Question 34

all prokaryotic and eukaryotic organisms that photosynthesize fit into which nutritional category

Answer 34

photoautotrophs

Question 35

under ideal conditions, prokaryotes are capable of reproducing at a ___ rate

Answer 35

exponential

Question 36

spori is not a shape of bacteria

Answer 36

true

Question 37

which of the following is a colonial form of green algea

Answer 37

volvox

Question 38

all classification systems for organisms are based on

Answer 38

physical and chemical characteristics