I think that a toxin that was introduced into a food web can kill some species but not others because some may have resistances to the toxin, while others, it may be lethal. Also that it did not affect everyone because as Bioaccumulation has stated if affected one organism but their might not be much biomagnification as in much increase in the correlation between the food chains in that area. i think the cat were like the top animal so the key stone animal of the food chain and also it had no predators.
<span>In order for the growth rate to remain constant, the birth rate must equal the death rate. This is the number of the population being born and the number of people dying. A birth replaces a death and vice versa, so if the birth rate and the death rate are the same, there are the same number of organisms total.</span>
Construction contributes to soil erosion because;
C. It removes vegetation from the building site.
