Biogeochemical cycles involve
A) the movement of chemicals through ecosystems.
B) just those nutrients that are limiting for organisms.
C) the nutrients used solely by primary producers
D) all chemical elements plus light energy.
E) None of these choices are correct.
Correct Answer:
Verified
Q1: Ecosystem ecology is primarily concerned with
A)ecosystem stability.
B)species
Q3: What is gross primary production?
A)The carbon fixed
Q4: The replacing forests with agricultural or urban
Q5: In subarctic saltmarshes,scientists have found that the
Q6: If gross primary production were to increase
Q7: Which of these ecosystems has the lowest
Q8: You are studying salt marsh ecosystems and
Q9: Trophic-level transfer efficiency averages about
A)1%.
B)25%.
C)33%.
D)10%.
E)0.1%.
Q10: In food webs,chain lengths
A)are long and complex.
B)have
Q11: A hectare of wheat fixes 32,000 kg
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents