Populations and natural resources summary

idk

explanation:

just finished the test, the answer is d, greg is the least cost-effective because he charges the most for the project

essentially, one bacterial cell splits into two daugurer cells. bacterial offspring don't need or get care from their parents because they are in a sense their own parents. that said, some bacteria can and do depend on other bacteria especially in harsh environments such as bacterial microfilms in hot water tanks.