Exam 3

Question 1

The study of change in individuals is

Answer 1

Physiology

Question 2

The study of changes in disease impacted systems is

Answer 2

Pathophysiology

Question 3

Examples of refereed journals include

Answer 3

All of the above

Question 4

Evidence of the importance of the ecosystem level of organization includes

Answer 4

A and C

Question 5

Scientists accept hypotheses by

Answer 5

failing to reject them

Question 6

The biosphere is

Answer 6

All of the above

Question 7

A community

Answer 7

All of the above

Question 8

The eukaryotic cell is a community of prokaryotic cells

Answer 8

True

Question 9

Most bacteria are beneficial to humans

Answer 9

True

Question 10

The nucleus is a community of prokaryotic cells

Answer 10

True

Question 11

Prokaryotes are procaryotes

Answer 11

True

Question 12

The genetic code is coded differently in varied kinds of organisms (not universal)

Answer 12

False

Question 13

The theory of continental drift was

Answer 13

All of the above

Question 14

Speciation is considered to only occur in allopatric populations

Answer 14

False

Question 15

Prezygotic isolating mechanisms include

Answer 15

Behavioral isolation

Question 16

Micro evolution involves changes leading to

Answer 16

All of the above except answer A

Question 17

Macroevolution involve changes leading to

Answer 17

Speciation

Question 18

The author of symbiogenesis is

Answer 18

Margulis

Question 19

Allozymes are families of similar enzymes found in similar organisms

Answer 19

True

Question 20

Which of the following evidence does not support evolution

Answer 20

Ancient writings

Question 21

The earth is ______ years old

Answer 21

4.5 billion

Question 22

The oldest prokaryotes are ____ years old and the oldest eukaryotes are ____ years old.

Answer 22

3.5 billion, 1.5 billion

Question 23

Multicellular organisms with tissues appear at the end of the Precambrian

Answer 23

True

Question 24

Prior to 2.5 billion years ago, oxygen was rare in the atmosphere

Answer 24

True

Question 25

Oxygen is poisonous to most life prior to 2 billion years ago

Answer 25

True

Question 26

Fossil dating is done using

Answer 26

Carbon-14

Question 27

Karl Staedner is known as

Answer 27

All of the above

Question 28

Allelic frequency is the

Answer 28

Percent of an allele amount total alleles for a gene in a population

Question 29

Genotypic frequencies are always equal to phenotypic frequencies

Answer 29

False

Question 30

The phenotypic frequency of dark hair for a population with 1 out of 100 individuals with blonde hair is

Answer 30

99%

Question 31

Allelic variations are the stuff of evolution and the product of mutation

Answer 31

True

Question 32

Hardy Weinberg equilibria are families of equations based upon assumptions which

Answer 32

All of the above

Question 33

Genetic drift is known as the Sewell Effect and centers on rapid changes in allelic frequencies in large populations

Answer 33

False

Question 34

Mitochondria are organelles that function in

Answer 34

Cell respiration

Question 35

In meiosis of diploid organisms, a critical and unique event (reduction division) results in:

Answer 35

Haploid cells

Question 36

Natural selection in a population is measured by estimating:

Answer 36

All of the above

Question 37

The ecological niche of a population describes the:

Answer 37

All of the above

Question 38

In Hardy Weinberg equation, the exponent refers to:

Answer 38

Ploidy

Question 39

Spariotemporal reproductive isolation exemplifies postzygotic mechanisms

Answer 39

False

Question 40

The harbinger oF macroevolution is:

Answer 40

Disruptive selection

Question 41

Phylogeny is revealed by the study of molecular clocks in order to reconstruct evolutionary history. The most famous studies were done on the respiratory pigment:

Answer 41

Cytochrome

Question 42

Gradualism is exemplified in this theory

Answer 42

All of the above

Question 43

Ancient conserved sequences explain the occurrence of similar traits in all life

Answer 43

True

Question 44

The primary source of variation in individual genomes is:

Answer 44

Sexual recombination

Question 45

Mass extinction events occurs roughly every:

Answer 45

60 million years

Question 46

Differential adapted ness and differential reproduction are crucial to natural selection hypotheses

Answer 46

True

Question 47

Melanism followed by demelaninization of British moths during the last millennium depicts the effects of the environment upon allelic frequencies

Answer 47

True

Question 48

Adaptive radiation is an evolutionary analogy of diversification in the workplace

Answer 48

True

Question 49

Genetic erosion is:

Answer 49

All of the above