D4.1: Natural Selection

Which of these is not a consequence of natural selection?

• Evolution

• Changes in biodiversity

• Changes in allele frequencies

• Environmental change

Tags

NGSS.MS-LS4-4

Which row is correct for inherited and acquired traits?

• A

• B

• C

• D

n a population of finches, the frequency of finches with large beaks has increased relative to the frequency of finches with small beaks. What could have been a cause for this?

• A decrease in the competition for food

• A change in the availability of seeds

• Selection in favour of individuals with small beaks

• An increase in the heritability of beak size

Tags

NGSS.MS-LS4-4

NGSS.MS-LS1-4

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which is not an example of natural selection?

• Elephants and Hippopotami have similar body types

• Peacocks with bright feathers are more likely to breed

• Giraffes with longer necks are less likely to starve as they can reach leaves higher up in trees

• Zebras that are born with white fur are more likely to be killed by predators

Tags

NGSS.MS-LS4-4

Which factor is not a density-independent factor that affects the survival of organisms within a population?

• Temperature

• Presence of predators

• Extreme weather conditions

• Rainfall levels