What is migration? 1. The conscious movement of a population from one place to another.

2.A population's instinctive seasonal movement to another place.

3.The seasonal exchange of places between two species

4.The inflow of new species into an occupied habitat.

The most likely answer I option 1

Answerno less then (2) continuous years

Which of the following is an example of an opposing signal? no examplthates given.   i would say, that traffic lights in a city at major intersections direct the flow of traffic in opposite directions so would be an example.also, stop signs on either side of the same street would be an example. at a train crossing, the light for allowing car traffic in opposite directions or not would be another example.