What would happen if the chromosome number were not reduced before sexual reproduction?

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.

Which element forms the basis of all organic organisms a carbon b oxygen c hydrogen d nitrogen

Which of the following is not considered an appendage of the skin? nails glands follicles none of the above