If you have one sickle cell gene, you have sickle cell trait and you will not develop the sickle cell disease. If you inherit two sickle cell genes, you have sickle cell anemia.
Rumen, reticulum, omasum, and abomasum
For a white wolf, I suggest the Tundra Biome. The wolf's fur blends in with the snow, making it unable to be seen.
The 7 hierarchies are kingdom, phylum, class, order, genus, and species.
the 5 living things are plants, animal, fungi, protist, and bacteria.
HOPE THIS HELP <3
Rubber factories, smoking cigarettes, and cars.