Which one of the following is TRUE regarding an ecological pyramid?
A) An ecological pyramid can depict either the total amount of energy stored at each level of an ecosystem or the total biomass at each level.
B) The population of producers depends largely on the populations of consumers below it.
C) The amount of energy represented by tertiary consumers is greater than the amount of energy represented by primary consumers.
D) Animals such as wolves and eagles would be located at the base of the pyramid.
E) The amount of energy represented by producers is equivalent to the amount of energy represented by the secondary consumers.
A
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Production of ATP using the energy liberated when electrons from reduced chemical bonds are passed through the electron transport system is generally referred to as
A. chemiosmotic. B. substrate-level. C. respiration. D. conformational change.
The anterior and posterior pituitary glands differ in that ____
a. the anterior pituitary produces peptide hormones while the posterior pituitary produces steroid hormones b. the anterior pituitary produces its own hormones but the posterior pituitary does not c. the anterior pituitary is a part of the nervous system; the posterior pituitary is a part of the endocrine system d. the anterior pituitary is controlled by the hypothalamus whereas the posterior pituitary is controlled by the adrenal cortex e. the anterior pituitary is under voluntary control; the posterior pituitary is under involuntary control
The species concept based on analysis of character states that indicate the smallest monophyletic group is ________
A) the morphospecies concept B) the phylogenetic species concept C) the biological species concept D) the ecological species concept
The use of microbes to remove pollutants from a contaminated system is called ________.
Fill in the blank(s) with the appropriate word(s).