Heyy i need i help in this! 1. What particles make up the soil?

2. How much space does the air occupy on the ground?

3. How much moisture is in the soil?

4. How much organic matter is in the soil?

List two limitations of natural selection

Will someone me with this.. specialized cells which perform a particular function form: tissues organs or organism

Compare and contrast cladistics and phylogeny. what are their advantages and disadvantages? which is the most useful in understanding how an organism developed into its current form? which concept most strongly supports your opinion about the origin of any given organism?