20 points pls ? ? what is an example of a plant that can defend itself against against herbivores? decribe the mechanism it use to protect itself and how a consumer could overcome the mechanism

Which layer will become saturated first when rain falls?

1. emigration the movement of people from one place to another 2. immigration a situation in which resources are being used up at a faster rate than they can be replenished 3. migration the leaving of one's homeland to settle in a new place 4. overpopulation the movement of people to a new country 5. sustainable development a situation in which the birth rate is not sufficient to replace the existing population 6. underpopulation the ability to meet current needs without reducing the ability to meet future needs 7. unsustainable development the increase in the population of a city 8. urbanization a situation in which the number of people exceeds the available natural resources in an area

When listening the levels of orginization in orginisims from the smallest to most complex , which level is just below organs in complexity