EVR 1001 chapter 2 Questions and Answers
1. The solution on How does the pH of the solution on the right compare with that of the solution
the right is basic on the left?
relative to the so-
lution on the left.
2. decomposition What name is given to the process by which detritivores return carbon to the
atmosphere?
3. algae Which of these removes carbon from the atmosphere?
4. dead organic Detritus is composed of .
matter and ex-
creted wastes
5. ammonium ... ni- Nitrifying bacteria convert to .
trites
6. Nitrogen fixation removes nitrogen from the atmosphere.
7. A Assimilation is indicated by the letter(s) .
8. D and E Nitrogen-fixing bacteria is(are) indicated by the letter(s) .
9. B Nitrification is indicated by the letter(s) .
, EVR 1001 chapter 2 Questions and Answers
10. nitrates ... nitro- Denitrifying bacteria convert to .
gen gas
11. NO3 - Which one of these is a nitrate?
12. NO2 - Which one of these is a nitrite?
13. positive A snowball rolling down a hill accumulates snow and becomes larger, which
increases its speed, causing it to increase its size and speed even more
14. positive Increasing air temperatures from global warming speed up the melting of glac-
iers, exposing darker rocks underneath the ice. The dark surfaces absorb more
sunlight, causing further increases in temperature and accelerated glacier melt-
ing.
15. negative A dog pants as it lies in the hot summer sun, releasing excess body heat to the
environment and lowering its body temperature to its stable state.
16. positive A bull on the edge of a herd of cattle panics when it hears a loud noise and
begins to run. Five nearby cattle sense the panic and also begin to run. This
causes another 15 cattle to panic. Eventually, all 100 cattle in the herd panic and
stampede.
17. positive You invest $1,000 in a savings account and reinvest the 5% interest you earn. The
interest makes the amount of money in the account larger, so it earns even more
interest. After 20 years, the account contains more than $2,600 and is still growing.
18. negative When blood sugar levels rise after eating a meal, the pancreas releases the
hormone insulin, stimulating cells to take up sugar from the blood. When blood
1. The solution on How does the pH of the solution on the right compare with that of the solution
the right is basic on the left?
relative to the so-
lution on the left.
2. decomposition What name is given to the process by which detritivores return carbon to the
atmosphere?
3. algae Which of these removes carbon from the atmosphere?
4. dead organic Detritus is composed of .
matter and ex-
creted wastes
5. ammonium ... ni- Nitrifying bacteria convert to .
trites
6. Nitrogen fixation removes nitrogen from the atmosphere.
7. A Assimilation is indicated by the letter(s) .
8. D and E Nitrogen-fixing bacteria is(are) indicated by the letter(s) .
9. B Nitrification is indicated by the letter(s) .
, EVR 1001 chapter 2 Questions and Answers
10. nitrates ... nitro- Denitrifying bacteria convert to .
gen gas
11. NO3 - Which one of these is a nitrate?
12. NO2 - Which one of these is a nitrite?
13. positive A snowball rolling down a hill accumulates snow and becomes larger, which
increases its speed, causing it to increase its size and speed even more
14. positive Increasing air temperatures from global warming speed up the melting of glac-
iers, exposing darker rocks underneath the ice. The dark surfaces absorb more
sunlight, causing further increases in temperature and accelerated glacier melt-
ing.
15. negative A dog pants as it lies in the hot summer sun, releasing excess body heat to the
environment and lowering its body temperature to its stable state.
16. positive A bull on the edge of a herd of cattle panics when it hears a loud noise and
begins to run. Five nearby cattle sense the panic and also begin to run. This
causes another 15 cattle to panic. Eventually, all 100 cattle in the herd panic and
stampede.
17. positive You invest $1,000 in a savings account and reinvest the 5% interest you earn. The
interest makes the amount of money in the account larger, so it earns even more
interest. After 20 years, the account contains more than $2,600 and is still growing.
18. negative When blood sugar levels rise after eating a meal, the pancreas releases the
hormone insulin, stimulating cells to take up sugar from the blood. When blood