16 points
which traits are characteristic of both single-celled and multicellular organisms?
choose all answers that are correct.
a.
meets life's challenges by getting and using energy
b.
survival depends upon availability of resources
c.
are of an equally small size
d.
have specialized cells for different functions

What did the first language sound like

Does masterbation affect height growth or loss of growth hormone?

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