The Main Reason That There Are Relatively Few Invertebrates Categorized

Multiple Choice

The main reason that there are relatively few invertebrates categorized as endangered species is because

A) we consider other groups,such as mammals,to be more interesting and desirable.
B) worldwide there are relatively few invertebrates when compared to plants.
C) it is extremely difficult to identify and count invertebrates.
D) Since there are 532 invertebrates considered endangered,none of these are true.
E) invertebrates are more numerous and the relative percentages are similar.