The table below lists several environmental issues that plague a lake formed by the damming of a
large river. Read each description of an environmental issue, and recommend the appropriate area of
expertise - that is, field of science - that might contribute information relevant to each issue. The first
cell is filled in for you. (4 points)

The number of living organisms in a particular area is

Which of the following systems in absorbing oxygen and releases carbon dioxide

4the indian leaf butterfly has traits that allow it to resemble a leaf. the bright colors of the monarch butterfly indicate that the butterfly tastes bad and can be poisonous. how does the appearance of these butterflies them to survive? f the indian leaf butterfly is able to avoid predators while the monarch butterfly warns predators away. g. the indian leaf butterfly frightens predators away while the monarch butterfly poisons predators before they can eat it. h both butterflies rely on camouflage to avoid predation. j both butterflies cooperate with one another to avoid predation.