I don’t know about alternative or chi square but a bull hypothesis from what I know is saying that your claim or thesis is wrong.
I hope that helped. :)
The Earth’s atmosphere is important to living things because it protects organisms from the suns harmful ultraviolet radiation. It also provides oxygen for humans and animals to breathe, and carbon dioxide for the plants.
Hope this helps!
A tissue, If you would like to know the whole classification it would be cell-tissue-organ-organ systems-human.
Penguins are a species of flightless birds and they have heavy and dense bones, which is an advantage because of which they are more efficient hunters in the water. The correct option among all the options that are given in the question is the third option. The heavier bones of the penguins gives them advantage over the natural buoyancy of water.
Archea are prokaryotes, but their cell walls are chemically different from bacterias.
Archea often live where NOTHING else can such as hot springs and in extremely acidic or salty habitats.
And some molecules in archea aren't found in other living things.