Why is identifying a candidate gene only a first step in understanding how behavior arises and varies among individuals?

Which of the following is a common danger of commercial fishing?

In iceland, the mid atlantic ridge runs through the center of the contry. what can you conclude about the apperence of iceland many thousands of years from now?

Which are characteristics of flukes? check all that apply. a they are free living. b they are a type of flatworm. c they reproduce sexually. d they have eyespots. e they are segmented.