What is the purpose of biofertilizers?
a.
reduce pollution
b.
reduce insect threats
c.
reduce erosion
d.
reduce herbicide use

Which of the following is not considered an appendage of the skin? nails glands follicles none of the above

What mistake did john needham make that caused him to conclude that spontaneous generation for microorganisms occurred? a. he re-contaminated his boiled broth solutions. b. he destroyed the vital force in the solutions. c. he did not boil his broth solutions, only warmed them. d. he failed to seal his flasks of boiled broth. e. he allowed his assistant to conduct the experiment which he did not monitor closely.

Anonnative species is best described as a species that a. does not normally live in an area b. has no permanent home c. is a poor predator d. increase biodiversity