Male widow birds can have short, medium, or long tails. However, females are attracted to widow bird with longer tails. The problem is that longer tails make it harder for the male widow bird to fly and avoid predators. A group of explorers capture a group of widow birds and relocate them to another island. This island also has many resources but has many predators. Which graph below represents the expected allele frequencies of the widow birds tails after several decades? Explain your answer.

Which short-term environmental changes would a very small asteroid or comet impact on earth most likely cause? check all that apply. flooding extinction craters on surface changes in weather patterns death of organisms and populations

This problem has been solved! see the answerbuilding a sea wall to prevent ocean water from encroaching on a city is an example of climate change [ select ] ["sequestration", "mitigation", "vulnerability", "adaptation"] .creating a carbon tax to provide incentives to reduce co2 emissions is an example of climate change [ select ] ["sequestration", "mitigation", "vulnerability", "adaptation"] .planting more forests is an example of enhancing carbon [ select ] ["sequestration", "mitigation", "vulnerability", "adaptation"] .the tendency to be adversely affected or lack of ability to adapt defines climate change [ select ] ["sequestration", "mitigation", "vulnerability", "adaptation"] .sequestration, adaption, mitigation, vulnerability

Which of the following is directly affected by the cardiovascular system?