Answer:
Last option
Explanation:
Mitochondria because they are smaller than cells and have membranes
Answer:
Both cardiac and smooth muscle are involuntary while skeletal muscle is voluntary.
Explanation:
When limiting factors increase, diversity in populations decreases. In this sense "limiting factors" can be anything from a lack of resources to a lack of food, meaning it's harder for the population to survive.
Metabolic pathways stimulate cell division.
Human and the natural ones can change the ecosystem
