Describe three adaptations that enhance the function of a respiratory surface
What will be an ideal response?
ANSWER: Gas diffusion can be enhanced across a respiratory membrane by: (1) increasing its surface
area so more gases diffuse, (2) making the respiratory surface thin so gas diffusion is more
rapid, and (3) making the respiratory surface moist so gases diffuse across cells more
readily.
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Describe the three steps of translation. What will be an ideal response?
The __________ biome has the greatest species richness of the terrestrial biomes
a. tropical rainforest b. savanna c. grassland d. chaparral e. temperate deciduous forest
The sequence of the four bases in DNA is referred to as its ___ structure.
What will be an ideal response?
In leaf cutter ant colonies, the ants clip leaves to feed a fungus garden and then the ants feed on the fungus. Is this a mutualistic relationship?
A. No, the ants are pathogens of both the trees from which they clip the leaves and the fungus. B. No, the ants are parasites of the trees from which they clip the leaves, but have a commensal relationship with the fungus. C. Yes, the ants and the fungus are engaged in a mutualistic relationship. D. Yes, the ants and the trees are in a mutualistic relationship.