When populations don’t change very much over time, the ecosystem is in

Hey me with this one❤❤❤❤ every organism needs food. does a cell also need it? explain very briefly.

This is a biological reaction due to a stimulus. i need this quickly !

When a chemical spill has occurred on your clothes you should 1. scream for 2. run under the shower and turn it on 3. use the eye wash station 4. grab the first aid kit