Which situation will most likely cause the sustainability of an ecosystem to weaken? A) A zebra is killed and eaten by a lion.
B) A disease wipes out several plant species.
C) A frog lays hundreds of eggs that hatch into tadpoles.
D) A dry season causes a few small trees to die.

The answer is B THE SECOND ONE !!!

1. efficient use of space

2. elimination of groundwater contamination

3. energy generation

4. lower carbon footprint

if, i suppose that a bee stings me swinging my hand away from a bee. then that if, i persist patient when a bee or wasp areas on your surface to investigate a scent or to take h2o and i secreting heavily, the bug ultimately will move of its personal agreement. if i don't need to set for it to disappear, lightly and gently wipe it off with a part of the paper.

you know they are heterozygous for a trait because they have it as jj or jj.