Skip to main content

← Back to Natural selection

Natural selection quiz

All 9 questions. After you submit, each question shows the right answer and why. Back to the quick check

ExplorerQuestion 1 of 9

Which of these is needed for natural selection to happen?

ExplorerQuestion 2 of 9

Animals change their bodies on purpose to fit in with their surroundings.

InvestigatorQuestion 3 of 9

Michael Majerus released 4,864 peppered moths over his six-year experiment. On average, how many moths is that per year, to the nearest whole number?

InvestigatorQuestion 4 of 9

After an El Niño period left mostly small, soft seeds on Daphne Major, what happened to the medium ground finches' average bill size, and why?

ScientistQuestion 5 of 9

In the peppered moth, the dark form has been declining in Britain since 1970, and field experiments show birds eat dark moths more often on today's less sooty bark.

ScientistQuestion 6 of 9

Mice living on a uniform brown forest floor are less likely to be eaten if their coat matches the ground; lighter and darker mice are caught more often. Which type of selection is this?

AdvancedQuestion 7 of 9

Explain why the spread of antibiotic-resistant bacteria is an example of natural selection, and why it is wrong to say the antibiotic 'makes' bacteria resistant.

AdvancedQuestion 8 of 9

In evolutionary biology, which individual has the highest fitness?

ExpertQuestion 9 of 9

The Grants found that natural selection on Darwin's finches was frequent yet the finches' states after 30 years could not have been predicted. Reconcile these two findings.