unit quiz multiple choice

Question 1

which human activity is a response to evolutionary change

Answer 1

domestication of animals

Question 2

during his voyage aboard the beagle which one of the following did darwin not accomplish

Answer 2

finalize theory of natural selection

Question 3

in a bird that never enters the water, what type of feature is webbed feet

Answer 3

vestigal

Question 4

which observations led to darwins theory

Answer 4

food/resources limited

gene population produces more offspring than adults

individuals within all populations vary

Question 5

some fruit flies through gene mutations have developed resistance to the most common types of pesticides used to eliminate them from orange groves. what type of mutation

Answer 5

beneficial mutation

Question 6

which term refers to selection that favours an increase/decrease in value of trait from the current population

Answer 6

directional selection

Question 7

recognized concept of species based on which

Answer 7

ability of groups of organisms to interbreed with another

Question 8

when tigers and leopards cross the zygote begins to develop but the pregnancy ends in a miscarriage of stillborn offspring. Which type of reproductive isolating mechanism example is this?

Answer 8

hybrid invariability

Question 9

brazil nut trees have evolved hard protective shells. the agouti is the only mammal with jaws and teeth strong enough to bite open the shell. this is an example of what pattern of evolution

Answer 9

coevolution

Question 10

which statement is true about natural selection

Answer 10

sexual selection is a form of natural selection in which traits specifically enhance mating success are favoured

Question 11

development of structurally similar but different species, in geographically isolated but similar environments is refers to which?

Answer 11

adaptive radiation or convergent evolution

Question 12

an individual fitness

Answer 12

the probability that the individual will survive and therefore contributed its genes to the next-gen

Question 13

catastrophism

Answer 13

theory which states all geological changes occur are results of sudden catastrophic events

Question 14

uniformitarianism

Answer 14

earth very old has been subjected to slow progressive geological changes

Question 15

why are bacteria that exhibit resistance to antibiotics becoming more widespread

Answer 15

less resistant strains of bacteria are being killed off by antibiotics

Question 16

driving evolution

Answer 16

action of natural selection upon beneficial mutations

Question 17

major weakness in Lamarck’s explanation of evolution

Answer 17

acquired characteristics cannot be passed on