Why does a cell of a growing multicellular organism need to divide with regards
to getting its necessary substances it
needs to survive?

A. If a cell gets too large, it will not get the
substances it needs due to diffusion
occurring a lot slower.
B. If a cell gets too large, it will get all the
substances it requires and thus large size is
equal to receiving enough substances it
requires
C. If a cell gets too small, there is not enough
space to fit all the substances it needs to
survive.
D. If a cell gets too small, it will not get enough
substances to support its life.

Aperson who uses a computer at a desk does not have to worry about safety in the workplace. true or false

15 ! come and answer! a(n) disease is caused by a pathogen and can spread among organisms. a infectious b noninfectious c toxic d contaminated

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