Some plants in the desert, like cacti, have long roots and think stems to obtain and store water. What do we call these characteristics that increase a cactus's chance to survive in the desert? A) Adaptations
B) Fossils
C) Speciation
D) Mutations

Which of the following is true of microbes? a. ninety-nine percent of all microbes are pathogenic.b. gene expression in bacteria is very similar to gene expression in humans, which facilitates the use of bacteria in recombinant biotechnology and gene therapy.c. all bacterial enzymes are harmful to humans and the environment.d. microbes create pollutants and toxins that harm the environment.

Any sound above what db can cause hearing loss in human beings

Is there any solid scientific evidence that humans have been cloned?