Answer:
Noble Gases.
Explanation:
The reason why I say this is due to them having eight valence electrons, their outer energy levels are full.
The grassland preserve, without the lion pride, will have an increase on antelope and zebra, therefore decreasing the amount vegetation as they eat the vegetation, without a control in the population, this could be potentially dangerous for the preserve
I think you're talking about histones. Histones are proteins found in eukayotic cell nuclei. Histones are what DNA wrap around so it fits inside the nucleus and helps with the formation of chromosomes.
The barnacles are only able to attach them selfs to surfaces in the water. Since the surface is limited, barnacles are attaching themselves to the other barnacles, crowding the rock. The muscles were not able to grow or attach themselves off the surface of the rock. Same thing with the mussels that are growing on the rock. So not only barnacles are crowding the rock, but Mussels as well are crowding the rock.
You mean histology right??
Histology:
Histology, also microanatomy, is the ponder of the life structures of cells and tissues of plants and creatures utilizing microscopy.