What is a nonliving thing in an ecosystem a. Biotic Factor
b. Abiotic factor
c. Plant
d. Animal

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."

Food contains a sugar called ( ), which is broken down in a process called cellular ( ). this process uses ( ) to break down food molecules and provide energy for cells. fill in the parentheses

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.