The most common way that modern ships transplant non-native species to new environments is by O allowing ship mascots to escape.
O loading and discharging ballast water.
O deliberately sabotaging the local environment.
O none of the above

The term used to describe a disease-causing microorganism isa. virus. b. infection. c. pathogen. d. microbe. e. bacterium.

Which direction does the energy flow in this energy pyramid ?

Which of the following are not matched correctly? cd8+: directly destroy infected or cancerous cells t reg cell: reduce the adaptive response once threat passes t l: activate cellular branch (cytotoxic t cells, macrophages, nk cells) t 2: stimulate b cells to make antibodies t (cd4+): mhc i