Which of these levels of biological organization contains the other three? A. Organ
B. Organ system
C. Tissue
D. Cell

Why is the theory of evolution important? it disproves all other theories about how life began. it provides a topic for debate. it is a unifying concept in biology. it explains how life began. i know for sure, it is not "it is a unifying concept in biology."

What maintain homeostasis when a persons internal body temperature is 97.5°f

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.