Biology Final

Front 1

What are some human activities affecting many streams and rivers?

Back 1

pollution, dams, invasive species, recreational activities

Front 2

Which of the following is an important role fungi play?

Back 2

All of the above are important roles

Front 3

Which of the following is an example of directional selection?

Back 3

There is an increase in antibiotic-resistant strains of bacteria.

Front 4

In Alabama, what plant do you commonly see that is classified as an invasive species?

Back 4

Kudzu

Front 5

The figure below shows the growth curves of two populations of Paramecium, P. aurelia (darker line) and P. caudatum (light grey line).

The top graph illustrates the data when GF Gause grew the paramecium in separate cultures (different petri dishes).

The bottom graph illustrates the data when GF Gause combined the cultures and grew the paramecium in the same habitat (the same petri dish).

From the data, GF Gause concluded that ______.

Back 5

P. aurelia is the superior competitor in this habitat

Front 6

What can be inferred from natural selection?

Back 6

Favorable traits accumulate over time.

Front 7

In some zoos, rare crosses between a male lion and a female tiger have produced offspring called ligers.

Male ligers are sterile but some female ligers are fertile.

In the wild, lion and tiger ranges do not naturally overlap, making a cross unlikely. The production of sterile male ligers is an example of ________.

Back 7

a post-zygotic barrier

Front 8

A population of lizards live on a farm.

On the farm is a green field with a brown wooden fence surrounding it.

The blue birds love to eat lizards.

An illness develops in the lizard population and no lizards on the farm survive. If the blue birds cannot find an alternative food source _________.

Back 8

They will die.

Front 9

Ecologists have noted that the next generation of Adelie penguins did not hatch. What is the cause of this?

Back 9

Unseasonable snow storms drown the eggs.

Front 10

Which of these is a community?

Back 10

all of the organisms living in your home

Front 11

Who studied interspecific competition in two closely related species?

Back 11

G.F. Gause

Front 12

What two observations did Charles Darwin start with to help him develop his theory of evolution?

A. Species compete to adapt to their environment.

B. There is variation among individuals.

C. Organisms tend to produce excessive numbers of offspring.

D. Change occurs at a slow steady rate.

Back 12

B and C only

Front 13

Which of the following actions increase your carbon footprint?

Back 13

eating more beef

Front 14

The competitive exclusion principle states that two species can coexist in a community if their niches are identical. (True or False?)

Back 14

False

Front 15

Species Richness is the total number of different species in a community. (True or False?)

Back 15

True

Front 16

A poisonous dart frog is brightly colored is an example of __________.

Back 16

warning coloration

Front 17

The Sahara Desert and the Negev Desert belong to the same _______.

Back 17

biome

Front 18

The mark-and-recapture technique is utilized to estimate ________.

Back 18

Population density

Front 19

Which of these would be considered a biotic component of your environment?

Back 19

your friend

Front 20

The greatest threat to biodiversity comes from ________.

Back 20

habitat destruction

Front 21

Which of the following describes allopatric speciation?

Back 21

A population of frogs is separated by a dam. Through time the populations evolve into distinct species.

Front 22

Which of the following is a behavioral response to environmental variability?

Back 22

migrating to a different location

Front 23

A new mutation that happens to be beneficial can increase in frequency in a bacterial population very rapidly.

If a single individual in the population harbors a mutation that renders it resistant to an antibiotic, there may be millions of resistant bacteria a few hours after antibiotic treatment. The new mutant bacteria would be an example of:

Back 23

natural selection

Front 24

Mice eat grain stored in a barn.

The mice are consumed by snakes, which themselves are consumed by hawks.

What trophic level is the snake?

Back 24

secondary consumer

Front 25

Improved housing, technology, nutrition, and medicine has led to the human population to grow following an exponential growth curve. (True or False?)

Back 25

True

Front 26

A tick has what type of relationship with a dog?

Back 26

parasitic

Front 27

A population of lizards live on a farm.

On the farm is a green field with a brown wooden fence surrounding it.

The blue birds love to eat lizards.

For a bird to eat the lizard, it must be able to "see" its prey.

Which of the following statements is correct?

Back 27

Brown lizards living in the grassy area will be preyed upon more.

Front 28

Sustainable development ___________.

Back 28

involves all of the above.

Front 29

What actions can you take to help conserve and protect our environment?

Back 29

all of the above

Front 30

Which of the following is in the correct sequential order?

Back 30

A better breed of corn is created through artificial selection, a tadpole is cloned, a test tube baby is born, Dolly is born

Front 31

Color-blindness is an example of _______

Back 31

an X-linked gene

Front 32

HIV requires an enzyme called _________ to convert its RNA genome to a DNA version.

Back 32

reverse transcriptase

Front 33

What is the expected phenotypic ratio in the F2 generation from a true-breeding monohybrid cross?

Back 33

3 dominant to 1 recessive

Front 34

If a person has two copies of a gene that are the same, the person is said to be ___________

Back 34

Homozygous

Front 35

Which of the following choices best defines "recombinant DNA technology"?

Back 35

combining genes from different species

Front 36

Viruses _______________________

Back 36

only a and b are correct

(a. sit on the fence between life and nonlife

b. use either DNA or RNA as their genetic material)

Front 37

The scientific study of heredity is called _______________.

Back 37

genetics

Front 38

Which of the following are potential problems with Genetically Modified (GM) crops and food?

Back 38

all of the above

Front 39

Which of Mendel's laws is represented by the following statement: Alleles of each homologous pair separate independently during gamete formation?

Back 39

Law of independent assortment

Front 40

Who is credited with determining the structure of DNA?

Back 40

Watson and Crick

Front 41

The impact of a single gene on more than one characteristic is an example of ____________ inheritance.

Back 41

pleiotropy

Front 42

A ___________ is used to determine the genotype of an unknown animal.

Back 42

testcross

Front 43

In giraffes, long necks (N) are dominant to short necks (n). What is the phenotype of Nn?

Back 43

long necked

Front 44

DNA technology has revolutionized forensic science. Several unsolved cases have been solved with this type of evidence, and some convicted persons have been exonerated with DNA evidence.

What is the type of technology shown in the image?

Back 44

Gel Eletrophoresis

Front 45

What is the name of the biotechnology instrument used to make multiple copies of a DNA sample?

Back 45

polymerase chain reaction

Front 46

Transcription converts the information stored in _______ to _______.

Back 46

DNA . . . RNA

Front 47

Different forms of the same gene are referred to as ___________.

Back 47

Alleles

Front 48

In eukaryotic cells, Translation occurs in the nucleus and Transcription occurs in the cytoplasm. (True or False?)

Back 48

False

Front 49

Introduced species can have important effects on biological communities by __________.

Back 49

doing all of the above

Front 50

Which of the following is NOT a plant defense mechanism against herbivory?

Back 50

cryptic coloration

Front 51

In some zoos, rare crosses between a male lion and a female tiger have produced offspring called ligers.

Male ligers are sterile but some female ligers are fertile.

In the wild, lion and tiger ranges do not naturally overlap, making a cross unlikely.

The natural differences in the ranges of wild tigers and lions is an example of _______?

Back 51

habitat isolation

Front 52

After the Chernobyl nuclear disaster, radiation levels were much higher in the wolves (carnivores) that ate the caribou and other mammals than in the caribou (herbivores) or the tundra plants and lichens that made up the caribou diet. This is an example of:

Back 52

biological magnification

Front 53

A Flounder look like the sea floor is an example of ___________________.

Back 53

camouflage

Front 54

In a population that is following an exponential growth pattern, what shape does the population's growth curve most closely resemble?

Back 54

J

Front 55

A nonpoisonous king snake looks like a poisonous coral snake is an example of _______.

Back 55

mimicry

Front 56

In the food chain: grass --> antelope --> wolves --> bears. The grass would be an example of a/an ______.

Back 56

producer

Front 57

Microevolution involves changes in allele frequencies within populations. (True or False?)

Back 57

True

Front 58

Humans ___________________.

Back 58

all of the above are correct

Front 59

Selection that shifts a population curve in favor of some extreme phenotype

Back 59

directional selection

Front 60

People select the trait that survives and reproduces the next generation

Back 60

artificial selection

Front 61

Selection that maintains variation for a particular trait within a narrow range

Back 61

stabilizing selection

Front 62

Who is the author of "On the Origin of Species by Means of Natural Selection"

Back 62

Charles Darwin

Front 63

Hedgehogs and porcupines both have quills. These features are examples of what type of defense mechanism?

Back 63

mechanical defense

Front 64

Community ecology is concerned with evolutionary adaptations that enable individual organisms to meet the challenges posed by their abiotic environments. (True or False?)

Back 64

False

Front 65

The third greatest threat to biodiversity comes from:

Back 65

Overexploitation

Front 66

A mutation in the lizards occurs so that some of them lose their tails to escape their predator. Which of the following statements is correct?

Back 66

lizards that do lose their tails when attacked will probably become more prevalent in the population

Front 67

In lakes and ponds, communities of plants, algae, and animals are distributed according to ______

Back 67

1) Depth of Water

2) Distance from shore

Front 68

Conservation Biology seeks to understand and counter the loss of biodiversity. (True or False?)

Back 68

True

Front 69

Biodiversity is considered important because:

Back 69

The loss of biodiversity could limit new discoveries such as medicines and food

Front 70

The top level of a food chain is the 3rd level. Why is there almost never any 4th level consumers?

Back 70

There is not enough energy available to sustain a 4th level

Front 71

What is NOT used to determine relationships among organisms?

Back 71

Hybrid sterility tests

(Fossil evidence, molecular evidence, anatomical records, and comparative anatomy ARE used)

Front 72

Correct sequence for the Animal Classification System utilized by scientists:

Back 72

Domain, Kingdom, Class, Order, Genus, Species

Front 73

The correct classification sequence for the human race:

Back 73

Eukarya, Animalia, Vertebrata, Primates, Homo, Sapiens