Biodiversity enhances human food security because it ________
A) decreases the number of predators
B) means that there is genetic uniformity
C) is a potential source of new food items or new genetic varieties of existing foods
D) reduces the number of pollinators available to any one plant species
E) increases the number of available pathogens
Answer: C
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The population of the world's economically developed areas (the core) consume noticeably more ________ on a per person basis than do the people of the world's periphery
A) cereals and grains B) meat and milk C) roots and tubers D) fruits and vegetables
What is a niche?
a. An organism's physical location in a community b. The amount of different species in a community c. An organism's occupation within a habitat d. The number of populations in a community e. The range of species in a habitat
Which of the following correctly states the relationship among anabolic pathways?
A) They begin with the citric acid cycle. B) They use ATP as an energy source. C) They use the reducing power of NADH and FADH2. D) All of these are correct statements.
The boundary between air masses having different densities is called a(n) ________
Fill in the blank(s) with correct word