The correct option is INTRODUCTION OF EXOTIC SPECIES; Exotic species refers to an introduced specie of an animal which is alien to the ecosystem in which it found itself and which has been transported to that ecosystem either intentionally or by accident. Exotic species normally have varieties of effects on the ecosystem to which they are introduced, sometimes the effect will be good and sometimes the effects could be devastating depending on the particular situation. Factors which promote diversity include: larger size of the ecosystem, longer growing seasons and climatic stability.<span />
Distributive (or vasogenic) shock is caused by a sudden severe decrease in peripheral vascular resistance that causes extensive pooling of blood within the venous system and subsequent decreased venous return to the heart.
Only the part of the leaf that was in the sunlight would contain starch because it absorbed light for photosynthesis however the plant that was covered was not able to absorb light because it was covered so no photosynthesis took place.
