A food web diagrams the interactions between organisms based on which organisms others are eating. A scientist is using a food web to predict the predator-prey relationship of a population. What can a food web best be classified asa. a mean
b. a graph
c. a model
d. a range

Why can't you grow plants with adhesion water?

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

What is point source pollution of an aquatic ecosystem? a) pollution of freshwater sources b) pollution from many sources that combine into one c) pollution that occurs over a wide area; water that runs off from fields, parking lots, and other land surfaces d) pollution that can easily be identified with a single discharge source, such as an open pipe which drains into a body of water