Which of the following organisms is mostly responsible for changing nitrogen in the atmosphere into other nitrogen-containing substances?
mice
plants
bacteria
mushrooms

Anormal appearing couple is found to be heterozygous recessive for albinism both have the genotype aa the gene responsible for albinism is recessive to the normal pigment-producing gene what are the changes of their children being albino

What is the meaning of endocytosis ?

Describe a desert community where there are fewer producers than consumers.