Eutrophication is caused by a. an increase in nutrients b. a decrease in nutrients c. the introduction of new species of animals d. the introduction of new species of plants which of the following is a way that humans impact rivers and streams? a. pollution b. dams c. flooding d. all of the above
The best way to get vitamins and minerals is to a. eat more fruits than vegetables. b. drink as much fruit juice as possible. c. take vitamin supplements. d. eat a balanced diet.
The virus genome and viral proteins are assembled into virions (virus particles) during ) the lytic cycle and the lysogenic cycle in all known host organismsb) the lysogenic cycle onlyc) the lytic cycle onlyd) the lytic cycle in all host organisms but the lysogenic cycle only in bacteria