Ilah’s family has a large garden in their backyard. after learning about the role of organisms in an ecosystem, lilah compares the garden to a small ecosystem. what role would each organism play in this garden ecosystem?

Why is excretion necessary to maintain homeostasis?

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

Witch theory suggests all living things are made up of cell or cells