Answer:
Oxygen (O2) concerntration
Temperature
pH
The correct answer of the given question above would be the third option: THE EVOLUTION OF POPULATIONS OVER TIME. What is represented by the base of a phylogenic tree is the evolution of populations over time. It is also known as the evolutionary tree. This tree shows the evolutionary relationships among species.
Answer:The white blood cells involved in innate immunity are. Monocytes (which develop into macrophages). Neutrophils. Eosinophils. Basophils. Natural killer cells.
Explanation: MERK MELLS
