Which statement is correct?
a) all organisms that can synthesize their food by means of photosynthesis are heterotrophic.
b) all organisms that cannot synthesize their food by means of photosynthesis or chemosynthesis are heterotrophic.
c) all organisms that cannot synthesize their food by means of photosynthesis are heterotrophic.

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.

Which coal field location is related to coal fields in the eastern united states and supports the theory of continental drift? eastern india southern africa western australia northern south america

Analyze how the water cycle affects a food web. now list 3 examples for each below using complete sentences, on how too much water would affect the same web? how about to little water?