1.This method of reforestation is done by natural means with the aid of the wind, birds, rodents and running water which scatters the seed... T. Natural Reseeding
V. Pplanting
U. Seeding by Foresters
W. Reforestation
2.This level of biodiversity refers to the variation existing between different species...
C. Genetic diversi
D. Species diversity
E. Ecosystem diversity
3.This level of biodiversity refers to the variation existing between biological communities
A. Ecosystem diversity
B. Species diversity
C. Genetic diversity​

Explanation:

Natural reseeding uses natural elements and actors to plant the seeds of trees. These elements and actors include water, wind, birds, rodents and other actors capable of scattering seed.

Species diversity is what defines the differentiation between the different species in an ecosystem and Ecosystem diversity relates to how biological communities/ ecosystems can be different from each other based on the organisms and food chains available in each.

trachea, alveoli, lung capillaries, arteries

the answer is z.

the human body has five levels of organization. level 1: cells. cells are the basic units of life and form the first level of organization. cells in the human body have specific functions. examples include nerve cells, blood cells, liver cells, and so on.