What term refers to the practice of renewing destroyed ecosystems?

When listening the levels of orginization in orginisims from the smallest to most complex , which level is just below organs in complexity

The illustration shown is an ovum, a female sex cell. a mutation in this cell may be passed to the woman’s offspring during a) birth. b) mitosis. c) dna replication. d) sexual reproduction

Match the functions to the cell types ? contraction and relaxation. conducting electrochemical signals fighting diseases carrying genetic material