Answer:
All natural soils are heterogeneous mixtures because no two nature soil samples will have the precise proportions of its inherent components.
Explanation:
Mutualism, commensalism and parasitism
So you know what to do and to keep yourself and others protected.
the key element in the ecological concept of species is that individuals within a species can successfully interbreed and conceive healthy offspring
The integumentary system is the skin. Skin protects the inner organs from Bactria. Essentially the skin is a wall protecting against the outside world. It doesn't really release anything but is just there for protection.
Hope this helped!
