Biotic factors are living parts of an ecosystem. An example of a biotic factor is A. a trout swimming in a river
В. bacteria growing on bread
C. moss growing in a tree
D. all of the above

Air pollution is only caused by human activity, select the best answer from the choices provided ot of true or false

What are the steps of how energy is transformed in plant cells?

Why would a drug that damages capsids treat a viral infection? a. capsids prevent the lytic cycle from beginning. b. transduction requires a capsid. c. viruses use capsids to increase genetic variation. d. capsids provide protection for viruses.