CH 2

Question 1

This theory states that mitochondria were once separate organisms prior to being engulfed by another cell

Answer 1

endosymbiosis theory(c)

Question 2

Anoxic

Answer 2

Environment without Oxygen(E)

Question 3

Anaerobic

Answer 3

Respiration without oxygen(C)

Question 4

Phototroph

Answer 4

Uses light as energy(B)

Question 5

Extremophile

Answer 5

Extreme loving(A)

Question 6

Halophile

Answer 6

Salt loving(D)

Question 7

Prokaryotes have the ability to form a ____ in order to protect themselves from the environment, and keep dentists in business

Answer 7

Biofilm(C)

Question 8

Gram positive bacteria have this structure

Answer 8

Peptidoglycan rich cell wall(B)

Question 9

Prokaryotes acquire genetic material from the environment in

Answer 9

transformation(C)

Question 10

If a new virus were to take off and infect 99% of the earths population, it would be considered a

Answer 10

Pandemic(B)

Question 11

If those that were not infected were immune due to a mutation, the mutation would be considered an

Answer 11

adaptation(B)

Question 12

The________, _______, was responsible for at least 2 major pandemics on Earth, the last called the “Black Death”

Answer 12

Bacteria, Yersinia pestis(C)

Question 13

There is one bacteria species we talked about that both causes large death tolls in wildlife, and is used as a beauty product, it is ____

Answer 13

Clostridium botulinum(A)

Question 14

A major health concern dealing with natural selection in Bacteria due to mismanagement of human activities is

Answer 14

Antibiotic resistance(C)

Question 15

If we are using prokaryotes to clean an oil spill we are conducting

Answer 15

Bio-remediation(C)

Question 16

The new population of critters are now isolated and are now no longer experiencing

Answer 16

gene flow(B)

Question 17

We could say that the origin of our new population was due to a

Answer 17

Founder event(A)

Question 18

As the population saw selection for both extremes of a characteristic we could say that it underwent

Answer 18

Disruptive selection(B)

Question 19

In the future we could say that there are now 2 species that have arisen through

Answer 19

allopatric speciation(A)

Question 20

Our island population broke away from a mainland population, this is an example of a

Answer 20

Fact(A)

Question 21

Which is not an assumption of the Hardy-Weinberg principle

Answer 21

Genetic Drift(D)

Question 22

Commensalism

Answer 22

Harmless bacteria that live on your skin(D)

Question 23

Mutualism

Answer 23

Beneficial bacteria live in your gut(A)

Question 24

Parasitism

Answer 24

Acne causing bacteria live in your pores(C)

Question 25

Competition

Answer 25

My probiotic helps "good" bacteria take over from bad (B)

Question 26

Prokaryotes make up all organisms in the Domains

Answer 26

Bacteria and Archaea(E)

Question 27

The evolutionary history of an organism is its

Answer 27

Phylogeny(B)

Question 28

Which term represents your family?

Answer 28

Hominidae(D)

Question 29

Which is the correct name for our species

Answer 29

Homo sapiens(C)

Question 30

If 2 animals can breed and produce viable offspring, I say that they are from the same species. In this case I am using a ______species concept

Answer 30

Biological(D)

Question 31

When we use all available data(Morphological, Molecular...) to form our species tree we are using a _____ approach

Answer 31

Cladistic (C)

Question 32

A synapomorphy, AKA a _____ characteristic is used in constructing phylogenetic trees and is derived from common descent.

Answer 32

Shared Derived(A)

Question 33

Your tailbone or nipples on males are examples of _____ traits

Answer 33

Vestigal(C)

Question 34

Constructing the phylogenetic tree with the fewest evolutionary steps leads to

Answer 34

Maximum parsimony(B)

Question 35

Mallards winter as far south as the northern gulf of mexico. a similar species, Mottled Duck, is non-migratory and lives further south. If given the chance, these 2 will interbreed. However, this is rare as mallards are further north during the mating season. This is an example of _____ isolating mechanisms.

Answer 35

Temporal(B)

Question 36

Using HW to estimate an expected proportion of alleles in a pop. The expected proportion is not close to what the biologist has observed in the next gen. Therefore, he can conclude

Answer 36

At least 1 assumption of Hardy- Weinberg was violated(C)

Question 37

``` Which of the following is not an assumption of Hardy Weinberg A. No mutations occur B. No immigrations occur C. Infinite population size D. Random mating occurs E. Genetic Drift occurs ```

Answer 37

E. Genetic drift occurs

Question 38

According to the phylogenetic table, which tree is the most correct?

Answer 38

C, the one that goes 1, 4, 2, 3

Question 39

All species share one derived trait and it is

Answer 39

Trait D(D)

Question 40

Tor F, Individuals can evolve

Answer 40

False(B)