(50 points) Which structures produce a fluid to protect the body in the first line of defense? Select four options. A. hair
B. stomach
C. mouth
D. eyes
E. skin

Ecosystems involve living organisms interacting with non-living things in a productive way; how is photosynthesis an example of this? answer, i will give brainiest to first person to get it right.

Drag each tile to the correct box. arrange the phases of mitosis in the correct order. 1 (condensation of chromosomes) 2 (separation of chromosomes) 3 (formation of spindle fibers) 4 (alignment of chromosomes in the center of the cell) 5 (pinching of the cell membrane)

This group of organisms perform the process of ammonifcation. a. herbivores b. decomposers c. carnivores c. plants