When will photorespiration usually occur in plants?
A) when oxygen levels inside the leaf are low
B) when the plant is undergoing transpiration
C) during the Calvin cycle
D) when the stomates are closed

Nkentucky, intoxicating beverages (beer, whiskey, wine, etc.) are involved to some extent in approximately % of collisions fatal to pedestrians.

Some substances but not other can cross the (blank) membrane of a cell

Deserts (especially true deserts) are not easy places for animals to live. animals who live in them often have special features that them survive. which adaptation would be for this group of animals? a) keen eye sight b) short, narrow legs c) tolerate heat d) webbed feet