Ihave four questions.

1. warm temperatures melting snow and causing temperatures to rise further/more is an example of feedback.

a. negative

b. neutral

c. positive

d. none of the above.

2. warm temperatures can evaporate surface water and create clouds, blocking out the sun, causing the temperature to cool. this is an example of feedback.

a. negative

b. neutral

c. positive

d. none of the above

3. if sea lamprey increases in population and decrease the native fish population, the sea lamprey population will eventually collapse (decrease rapidly). this would be an example of feedback.

a. positive

b. negative

c. neutral

d. none of the above

4. the zebra mussel consumes phytoplankton as a major part of its diet. if the zebra mussel population grows rapidly and they consume all of the phytoplankton, what will happen to the zebra mussel population?

a. it will continue to grow rapidly

b. it will collapse

c. the population will level off

d. none of the above.

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