Matter and energy flow between living things like links in a chain

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.

Hummingbirds drink nectar from flowers, while robins eat plant seeds. what does this reduce?

Consider this plant cell which organelle is labeled g