What is true of all ecosystems? The amount of mass and energy cycles through and remains the same
.B. The amount of mass always increases, while energy always decreases.
C. The amount of mass and energy only decreases.
D. The amount of mass and energy only increases.

1. dermis

2. chemical

3. urine

4. viruses

5. antibodies

your answer would be a, maximum exploitation of resources.

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.