In what ways can species be isolated from each other? 3 sentences.

1)Species are separated from one another by prezygotic and postzygotic barriers, which prevent mating or the production of viable, fertile offspring.    

2)Speciation is the process by which new species form.

3) It occurs when groups in a species become reproductively isolated and diverge.

Explanation:

sand 60

clay 10

silt 30

sandy loam should be dominated by the sand. as the amount of sand increased, the amount of slit needed to anchor the plants' roots to the sand will also be increased. even though the amount is very little, 10% part of clay is still necessary for proper oxidation.

this protocol provides a detailed procedure for nucleoprotein extraction from cultured cells and tissues in an efficient manner.