Unit 1

Question 1

Not cells because they have no cell wall, metabolism, cytoplasm, etc

Answer 1

Viroids, prions, and viruses

Question 2

Infectious agents for plants

Answer 2

Viroids

Question 3

Protein molecules

Contain no genetic molecules

Ex) mad cow disease

Answer 3

Prions

Question 4

Made up of nucleic acid and dna (or rna) and protein coat(capsid)

Cannot be seen with light microscope

Do not consume anything, only reproduce and evolve

Cannot reproduce without using host cell

Answer 4

Viruses

Question 5

the cells of ____ lack a nucleus, lack membrane bound organelles and are also extremely small

Answer 5

bacteria and archaea

Question 6

How do prokaryotes reproduce?

Answer 6

By splitting in half into daughter cells

Question 7

How can prokaryotes become resistant to antibiotics?

Answer 7

By evolving or they can sometimes connect with a pious and swap dna

Question 8

Organism gets energy from another organism

Answer 8

Heterotrophic

Question 9

Gets energy from something other than another organism

Ex) plants get energy from the sun

Answer 9

Autotrophs

Question 10

Uses chemicals to obtain energy

Answer 10

Chemoautotrophing

Question 11

Organisms that live in extreme conditions or environments

Usually have adaptations that allow them to do so

Answer 11

Extremophiles

Question 12

organisms that live in temperature conditions above boiling or below freezing

Answer 12

thermophiles

Question 13

organisms that live in extremely low ph

Answer 13

acidophiles

Question 14

organisms that live in extremely salty environments

Answer 14

halophiles

Question 15

mean number of infections from one infected host

Answer 15

Ro= S x B x L

Question 16

Ro= S x B x L

Answer 16

Ro= susceptibility x transmissibility x longevity of infectiousness

Question 17

how many different species there are

Answer 17

biodiversity

Question 18

all members of a specific species in an area

Answer 18

population

Question 19

all the different species in an area

Answer 19

community

Question 20

the age of human impact

Answer 20

anthropocene

Question 21

distribution and abundance of organisms

Answer 21

ecology

Question 22

When viewing a slide under a microscope, you should always begin on the ______ objective

Answer 22

lowest objective (4X)

Question 23

When viewing a slide under a microscope you should always begin focusing with the ______ adjustment knob

Answer 23

course

Question 24

the scientific name of a species consists of two elements

Answer 24

the generic name and the specific name

Question 25

living organisms are classified into three domains:

Answer 25

bateria, archaea, and eukarya

Question 26

the organisms in bacteria and archaea are collectively referred to as

Answer 26

prokaryotes

Question 27

eukaryotes

Answer 27

organisms in the domain eukarya

Question 28

single cell organisms, most of which have one of three basic shapes

Answer 28

prokaryotes

Question 29

three shapes of prokaryotes:

Answer 29

bacillus coccus spirillum

Question 30

rod shaped prokaryotes

Answer 30

bacillus

Question 31

spherical shaped prokaryotes

Answer 31

coccus

Question 32

spiral shaped prokaryotes

Answer 32

spirillum

Question 33

bacilli that occur in chains are called

Answer 33

streptobacilli

Question 34

cocci occurring in chains are called

Answer 34

streptococci

Question 35

cocci that occur in cluster are called

Answer 35

staphylococci

Question 36

largest of prokaryotes shapes

Answer 36

spirilla

Question 37

contains organisms known as blue-green bacteria or algae

Answer 37

kingdom cyanobacteria

Question 38

these bacteria carry out oxygen generating photosynthesis, synthesizing organic molecules from carbon dioxide using solar energy

Answer 38

blue-green bacteria

Question 39

cells that are attached to each other by gelatinous sheaths growing in chains or filaments

Answer 39

filamentous cells

Question 40

asexual reproduction in cyanobacteria occurs by

Answer 40

fragmentation or fission

Question 41

a single cell breaks into parts that regenerate into whole new cells

Answer 41

fragmentation

Question 42

the cell separates into two equal sized cells

Answer 42

fission

Question 43

although they are similar in appearance to bacteria, they differ in the chemical composition of their cell walls and plasma membranes

Answer 43

archaeans

Question 44

Methane producers

Answer 44

Methanogens