1. aperture   deficiency of red blood corpuscles.   opening or gap.   botanical garden where trees are studied and exhibited.   failure to tally or lack of consistency.   Hint Half-n-half Clue   2. fauna   agent to speed up chemical reaction without it changing.   eye disorder leading to partial blindness; waterfall.   purging of passage of body; outlet to emotion.   animals of a region or era.   Half-n-half Clue   3. consistency   absence of contradictions or uniformity.   plants of a region.   substance producing condition of no sensation.   chemistry of changing baser metals into gold.   Half-n-half Clue   4. catalyst   point on which lever is supported.   agent to speed up chemical reaction without it changing.   machine to separate substances by spinning.   disproportion or lack of balance.   Half-n-half Clue   5. awl   lizard noted for changing color to surroundings.   substance formed by decay of organic material.   small pricking tool for piercing holes.   tooth of a wheel.   Half-n-half Clue   6. delta   something taken for granted or usurping authority.   agent to speed up chemical reaction without it changing.   triangular tract of mud or sand at river's mouth.   botanical garden where trees are studied and exhibited.   Half-n-half Clue   7. cataract   drug that reduces pain.   point on which lever is supported.   eye disorder leading to partial blindness; waterfall.   compulsion or repression.   Half-n-half Clue