Multiple Choice
Biological magnification can be defined as the ____.
A) chemical pollutant increasing in concentration as it moves up the food chain
B) amount of energy transfer increasing as it moves up the food chain
C) fixation of nutrients from the atmosphere
D) entrance of a chemical into the biological portion of a biogeochemical cycle
E) increase in food web members in biologically diverse ecosystems
Correct Answer:
Verified
Correct Answer:
Verified
Q1: Which cycle relies most heavily upon bacteria?<br>A)water<br>B)carbon<br>C)nitrogen<br>D)phosphorus<br>E)sedimentary
Q2: Detritus specifically includes _.<br>A)exclusively organic wastes<br>B)exclusively toxic
Q3: Match the trophic category to the correct
Q4: Oil and natural gas formed over hundreds
Q5: Carnivores must be at or above which
Q7: Animals obtain minerals such as phosphorus primarily
Q8: Some energy gets stored in molecules that
Q9: Plants are able to take up and
Q10: Which organisms would be part of a
Q11: What is the major reservoir of phosphorus?<br>A)atmosphere<br>B)sedimentary