Describe the symptoms or signs of this poisonous/toxic plant in livestock.

In what for do plants utilize nitrogen? why do they need nitrogen?

In guinea pigs, black fur (b) is dominant over white fur (b). cross a heterozygous (hybrid) black guinea pig with a homozygous (purebred) white guinea pig. complete a punnett square, identify the genotype(s), phenotype(s), and probability (% and fraction) that the offspring will be black and white?

What is the difference between topsoil and clay?