The representation H?O?H is known as a(n):
a. structural formula.
b. simplest formula.
c. molecular formula.
d. Lewis structure.
e. orbital diagram.
a
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Which animal nurses its young, has forward facing eyes, nails on its fingers and toes, and a moist nose?
a. a lemur b. a tarsier c. a bird d. a new world monkey e. a human
Because __________ cells have a NAD+ shuttle
built into their mitochondria, they deliver 38 ATP molecules per glucose molecule. a. liver b. heart c. kidney d. liver and heart e. liver, heart, and kidney
Although corals can capture prey, they also depend on __________ for nutrition
A. a symbiotic relationship with the photosynthetic zooxanthellae B. a symbiotic relationship with lichens C. the dead animals found on the ocean floor D. photosynthesis since they are part animal and plant E. a symbiotic relationship with a fish
Although beneficial, group living also has many costs. Which of the follow is NOT a cost to an individual of living in a group?
a) increased opportunity for reciprocal altruism b) increased competition for mates c) increased risk of infanticide or injury to offspring d) increased risk of disease and parasites e) increased competition for resources