Which of the following organism would you consider to be unicellular and multicellular 1) Bacteria cell
2) Bat
3) Tree
4) Frog
5)Chicken Egg
6) Baker's yeast

Acommon kind of mechanical weathering is called

The nervous system interacts with the endocrine system by a. using hormones as connections b. sending nerve impulses directly to glands c. using neuroendocrine cells as connections d. sending neurotransmitters directly to neurons

Which description provides the best objective summary of the article in the passage?