Degradation of organic matter is influenced by ________.
A. nutrient availability
B. the nature of the microbial community present
C. abiotic conditions
D. All of the choices are correct.
Answer: D
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Answer the question using the accompanying figure. The region that determines the class of antibody is indicated by
number ____.
a. 1 b. 2 c. 3 d. 4 e. 5
Sessile organisms predominate on sandy/muddy subtidal habitats
Indicate whether the statement is true or false
Which of the following activates the egg?
A. entrance of sperm into the zona pellucida B. contact of sperm with the outside of the zona pellucida C. contact of sperm with the vitelline envelope D. fusion of sperm and egg membranes E. fusion of sperm and egg nuclei
During chemiosmosis, a hydrogen ion gradient is linked to the production of ATP
Indicate whether the statement is true or false