BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN: 9781305967359
Author: STARR
Publisher: CENGAGE L
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Textbook Question
Chapter 42, Problem 14SA
Soil in _______ is richest in carbon.
| a. the arctic | b. the tropics | c. temperate zones |
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Terrestrial NPP
a.
generally increases with temperature.
b.
does not vary with precipitation.
c.
is high when soils are low in nutrients.
d.
is high in dry regions.
The main source(s) of hydrogen and oxygen for plants is (are)____ . a. soil and air c. water and fertilizer b. water and soil d. water and air
Mosses growing on bare rock will eventually help to create soil.These mosses are involved in _____ succession.a. primary
b. secondary
c. tertiary
Chapter 42 Solutions
BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
Ch. 42 - In most ecosystems, producers use energy from...Ch. 42 - Prob. 2SACh. 42 - Organisms at the first trophic level ________. a....Ch. 42 - Primary productivity on land is affected by...Ch. 42 - An _______ is an autotroph. a. producer c....Ch. 42 - Most of Earths fresh water is _______. a. in lakes...Ch. 42 - Earths largest carbon reservoir is _______. a. the...Ch. 42 - Carbon is released into the atmosphere by ________...Ch. 42 - Prob. 9SACh. 42 - The ______ cycle is a sedimentary cycle. a....
Ch. 42 - Earths largest phosphorus reservoir is ________....Ch. 42 - Plants obtain ______ by taking it up from the air....Ch. 42 - Prob. 13SACh. 42 - Soil in _______ is richest in carbon. a. the...Ch. 42 - Prob. 15SACh. 42 - Marguerite has a vegetable garden in Maine....Ch. 42 - Prob. 2CTCh. 42 - Prob. 3CTCh. 42 - Prob. 4CT
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- A. The weathering and erosion in the area happens deep under the soil so the area looks unaffected B. Less sediment flows into the area because the vegetation soaks up all the water and makes its drier. C .the high amount of vegetation in the area causes more roots to hold the soil in place against weathering. D. The high amount of vegetation in the area causes an increase in oxygen causing stronger more stable soil.arrow_forwardWhich of the following is a biotic factor? a. wind b. disease-causing microbe c. temperature d. soil particle sizearrow_forwardThe deepest, richest soil in the world occurs in (a) temperate rain forest (b) tropical rain forest (c) savanna (d) temperate grassland (e) chaparralarrow_forward
- Which of the following statements is NOT as description of soil? A. Varying nutritional content. B. Phototropic microbes are found only on the top few centimeters. C. A homogenous layer of organic and inorganic material. D. The area around the plant soil usually has the highest microbial populations.arrow_forwardb. After a forest fire O c. After a drought ) d. After snow melts in the spring 6. In which scenario would secondary succession occur? a. After a volcanic eruption b. After a forest fire O c. After a drought O d. After snow melts in the spring 7. Fill in the blanks: succession happens more qu a. Primary, there is no soil. b. Primary, there is soil already. nis no soilarrow_forwardThe process whereby nitrogen is brought into organic molecules is called ________. a. nitrification b. denitrification c. nitrogen fixation d. nitrogen cyclingarrow_forward
- The primary producers in an ocean grazing food web are usually ________. a. plants b. animals c. fungi d. phytoplanktonarrow_forwardThe producer in an ocean grazing food web is usually a________.a. plantb. animalc. fungid. planktonarrow_forwardAn oligotrophic ecosystem would be most likely to exist in a/ana. ocean b. high mountain lake c. tropical pond d. polluted riverarrow_forward
- Based on temperature requirements which of the following is not correct?* a. Coconut and mango are tropical crops b. Asian rice and wheat are cool season crops c. Citrus species are sub-tropical crops d. Cruciferous vegetables are cool season cropsarrow_forwardPlant growth is most likely to be limited by the available supply of usable: a. nitrogenb. carbonc. oxygend. phosphorusarrow_forwardDesert biomes are created by… a. by falling air at 30 degrees north and south latitudes b. by rising air at 60 degrees north and south latitudes c. by falling air at 90 degrees north and south latitudes d. by falling air at 60 degrees north and south latitudes e. by rising air at 30 degrees north and south latitudesarrow_forward
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