An organism classified as an autotroph has which of the following characteristics?
a. It is a carnivore.
b. It produces its own food.
c. It is at the top of the food chain.
d. It is an herbivore.
e. It is a scavenger. It is at the bottom of the food chain
b
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In ferns, what stage in the alternation of generations is largest?
A. diploid gametophyte B. haploid sporophyte C. diploid sporophyte D. haploid gametophyte
Using the Rating Curve in Figure 43-1, estimate the gage height (to 1 decimal place) when Cache Creek has a discharge of
(a) 40 cms: __________ meters (b) 250 cms: __________ meters
The term demographic transition refers to ________
A) the slowing down in the growth of a population as it approaches the carrying capacity B) the decline in death rates followed by a decline in birth rates that occurred because sanitation levels in areas improved C) the decline in death rates followed by decline in birth rates when a country develops a strong economy D) the slowing down in the growth of a population as it approaches its biocapacity E) a requirement for a population to reach a specific size before it becomes stable
_________________ was a colonial British outpost that created a doorway for British expansion into China.
Fill in the blank(s) with the appropriate word(s).