Biology - Evolution

Question 1

An insect that lives on a water plant can't mate with a similar insect that lives on the leaves of a nearby tree

Accepted Answer

habitat isolation

Question 2

What is the study of development used to help determine common ancestry

Accepted Answer

comparative embryology

Question 3

Two nearby populations with movement of individuals between the populations demonstrates

Accepted Answer

gene flow

Question 4

structures that no longer perform a function in an organism are

Accepted Answer

vestigial

Question 5

in order to support his theory of evolution Darwin did not use

Accepted Answer

comparative biochemistry

Question 6

small changes in the gene pool of a population over several generations

Accepted Answer

microevolution

Question 7

Darwin's theory of evolution is based on

Accepted Answer

struggle for existence

Question 8

group of organisms that can mate and produce fertile offspring

Accepted Answer

species

Question 9

reproductive barrier when the mating seasons for two animals are different

Accepted Answer

temporal

Question 10

gene or allele frequencies change because of chance with

Accepted Answer

genetic drift

Question 11

Species living in the same environment that become more similar

Accepted Answer

convergent evolution

Question 12

A carpenter loses a finger - his future offspring will then have 9 fingers according to

Accepted Answer

Lamarck

Question 13

speciation due to geographic isolation

Accepted Answer

allopatric

Question 14

a single species that has evolved into several different species

Accepted Answer

adaptive radiation

Question 15

a small isolated population has less diversity and an unusually high incidence of a rare genetic disease

Accepted Answer

founder effect

Question 16

what can occur when both extremes of a physical trait exhibit high fitness

Accepted Answer

disruptive selection

Question 17

in nature females often choose males with elaborate decorations because

Accepted Answer

the display shows females the male has good genes

Question 18

population shrinker caused by catostrophe limiting diversity in a population

Accepted Answer

bottleneck effect

Question 19

the flipper of a whale and the arm of a human

Accepted Answer

are homologous structures

Question 20

which term is not related to the others

Accepted Answer

convergent evolution

Question 21

variation that enhances an organism's ability to survive

Accepted Answer

adaptation

Question 22

which of the following terms is not related

Accepted Answer

homologous structures

Question 23

emergence of a new species in short time followed by a long period of little change

Accepted Answer

punctuated equilibrium

Question 24

which combination would provide the greatest potential for evolutionary change

Accepted Answer

small poplulation with many mutations

Question 25

A normal bell shaped distribution of variation within a trait is considered

Accepted Answer

genetic equilibrium

Question 26

the ability of an organism to survive and reproduce in its environment

Accepted Answer

fitness

Question 27

type of speciation that occurs while organisms live in the same environment

Accepted Answer

sympatric

Question 28

evolution occurs more slowly

Accepted Answer

in large populations with few mutations

Question 29

separation of populations by barriers such as rivers, mountains or bodies of water

Accepted Answer

geographic isolation

Question 30

which is not a factor in sexual selection

Accepted Answer

random mating

Question 31

which of the following is not a source of variation within a species or population

Accepted Answer

asexual reproduction

Question 32

most common source of variation

Accepted Answer

mutation

Question 33

selection that favors those individuals whose characteristic is closest to the mean or average

Accepted Answer

stabilizing selection

Question 34

process where two species evolve in response to each other is

Accepted Answer

coevolution

Question 35

the pelvis and femur of a whale are considered ___ structures

Accepted Answer

vestigial

Question 36

what does sex generate

Accepted Answer

variation

Question 37

The different flashing pattern of fireflies demonstrates

Accepted Answer

behavioral isolation

Question 38

Breeding purebred dogs for specific traits is an example of

Accepted Answer

artificial selection

Question 39

According to fossil evidence

Accepted Answer

fish developed legs in the water

Question 40

which is not a requirement for natural selection

Accepted Answer

geographical isolation

Biology - Evolution

Questions 40

Biology - Evolution

Questions 40