I believe the answer is D) reactivity. Hope this helps. (ノ◕ヮ◕)ノ*:・゚✧
Stomata are tiny pores present in the leaf that allows gas exchange and is where water vapour leaves plants and carbon dioxide enters. Special cells called guard cells present in the stomata, control each pore's opening or closing. When stomata are open, transpiration rates increase; when they are closed, transpiration rates decrease.
It's the definition of a SPECIES.
Those animals are from the same species.
It's Glycolysis
Hope this helps :)
Wind forms when the sun heats up one part of the atmosphere differently that another part.