What is generally true about biomass and energy as we move from one trophic level to the next?
A. They both increase.
B. Organisms at one trophic level always
consume all of the resources from the level
below them.
C. Not all energy is transferred to the next
trophic level.
D. All of the energy stored initially in organic
molecules by the primary producers will be
available to the secondary consumers.
E. Biomass increases but energy decreases.
C
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Why does hair color vary among humans?
A. environment B. genetics C. both D. neither
Which of the following would you not find in the nasopharynx?
A. Haemophilus influenzae B. Neisseria meningitidis C. Branhamella catarrhalis D. Streptococcus pneumoniae
What makes coralline algae unique? a. Their pink color
b. They deposit calcium carbonate in their cell walls. c. An unusual symbiotic relationships with worms. d. They live in the supralittoral fringe.
The embryonic genital tubercle that develops into part of the penis in male fetuses develops into the
____________________ in female fetuses. Fill in the blank(s) with the appropriate word(s).