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Which of the following statements about estuaries is FALSE?   Question a. options:     Organisms living in estuaries must have adaptations that allow them to survive variable salinities.     Salinity may vary vertically and horizontally in estuaries.     Marine organisms can move farther into estuaries at high tide.     The diversity of organisms in estuaries is very high.     Estuaries have high productivity.

Which of the following statements about estuaries is FALSE?   Question a. options:     Organisms living in estuaries must have adaptations that allow them to survive variable salinities.     Salinity may vary vertically and horizontally in estuaries.     Marine organisms can move farther into estuaries at high tide.     The diversity of organisms in estuaries is very high.     Estuaries have high productivity.

Applications and Investigations in Earth Science (9th Edition)
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
Problem 1LR
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2) Answer the second set of ecology questions:
 
a. Which of the following statements about estuaries is FALSE?
 
Question a. options:
 

 

 Organisms living in estuaries must have adaptations that allow them to survive variable salinities.
 

 

 Salinity may vary vertically and horizontally in estuaries.
 

 

 Marine organisms can move farther into estuaries at high tide.
 

 

 The diversity of organisms in estuaries is very high.
 

 

 Estuaries have high productivity.
 
 
 
b. Which of the following lists correctly describes (from high to low) the amount of water being held?
 
Question b. options:
 

 

 Oceans, groundwater, polar ice caps and glaciers
 

 

 Oceans, polar ice caps and glaciers, groundwater
 

 

 Polar ice caps and glaciers, oceans, groundwater
 

 

 Major river systems, polar ice caps and glaciers, oceans, groundwater
 
 
 
c. Which of the following statements about soil is true?
 
Question c. options:
 

 

 Soil is composed of abiotic and biotic components.
 

 

 Soil contains only organic materials.
 

 

 Soil is ground-up rock.
 

 

 Soil contains a layer of parent rock, called the regolith.
 

 

 Soil depth is uniform in most areas.
 
 
 
 
d. What is saturated soil?
 
Question d. options:
 

 

 soil that does not need additional nitrogen
 

 

 soil that is at maximum carrying capacity for plant life
 

 

 soil in which all the soil horizons are present
 

 

 soil in which the maximum size of the A horizon has been reached
 

 

 soil in which the amount of water exceeds the pore space capacity
 
 

e. What is the texture classification (see Fig. 4-7 of textbook) with 40% silt, 50% clay, and 10% sand?

 
Question e. options:
 

 

Silt loam
 

 

Silty clay
 

 

Clay
 

 

Sandy clay loam
 

 

Loamy sand
 
 
 
 
f. The __________ horizon is often referred to as the topsoil layer.
 
Question f. options:
 

 

 O
 

 

 D
 

 

 A
 

 

 B
 

 

 C
 
 
 
 
g. Which of the following statements is FALSE?
 
Question g. options:
 

 

 The presence of water enhances the chemical weathering of rock.
 

 

 The presence of organic matter enhances the chemical weathering of rock.
 

 

 The presence of clay enhances the chemical weathering of rock.
 

 

 The presence of acids enhances the chemical weathering of rock.
 

 

 The presence of oxygen enhances the chemical weathering of rock.
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