What is the first step of pregnancy?

A. Differentiation of blastocyst
B. Contraction of a uterus
C. Development of placenta
D. Formation of a zygote

How does upwelling affect coastal fisheries? upwelling damages nutrient supplies at coastal fisheries as the warm, nutrient-rich surface water is replaced by nutrient-poor, cold water. upwelling damages nutrient supplies at coastal fisheries as the cold, nutrient-rich surface water is replaced by nutrient-poor, warm water. upwelling improves the nutrient supply at coastal fisheries as the warm, nutrient-rich surface water replaces the nutrient-poor, cold water. upwelling improves the nutrient supply at coastal fisheries as cold, nutrient-rich water replaces the warm, nutrient-poor surface water.

1. describe the structure and function of the specialized cells you observed in the video. 2. research the types of cells present in the kidney.

What advantages does a pedigree have over a written passage?