Evolution in the Modern World: How Humans Influence Change

What is a major way humans influence the environment and other species?

• Through conservation efforts

• Through urbanization

• By planting more trees

• By reducing pollution

What percentage of urban coyotes' diets consists of human food?

• About 10%

• Up to 38%

• Nearly 50%

• Over 60%

How have coyotes adapted to living in urban environments?

• By migrating to colder regions

• By becoming diurnal

• By hunting larger prey

• By foraging for food at night

What adaptation have urban coyotes made to avoid humans?

• Foraging at night

• Hunting in packs

• Building dens

• Foraging during the day

What originally evolved feature of the white ibis is handy for foraging through garbage?

• Its gently curved bill

• Its long legs

• Its wings

• Its sharp claws

What is a negative impact of the white ibis's diet of garbage?

• Decreased ability to fly

• Poor nutrition and higher pathogen levels

• Improved eyesight

• Increased wing strength

How do urban ibises differ from their rural counterparts?

• They have shorter bills

• They are larger

• They have stronger immune systems

• They are less colorful

Where did researchers speculate the human-blood preferring mosquito species arose?

• In the London Underground

• In North American swamps

• In ancient Egyptian cities

• In tropical rainforests

What human activity led to the evolution of a mosquito species with a taste for human blood?

• Deforestation

• Urbanization

• Agriculture

• Mining

What led to the evolution of a mosquito species preferring human blood?

• Chemical pollution

• Natural selection in forests

• Human-created environments

• Global warming