Which term best describes the concept that molten rock emanates from the edge of a plate on the Earth's crust, pushing rock on the other side into a trench?
a. the theory of uniformity
b. plate tectonics
c. hot spots
d. fault line rupture
e. biogeography
b
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There are three aspects of entire populations that are important and often studied. Select the best choice from the ones listed.
A. a population's range, the pattern of spacing of individuals within the range, and the size that the population attains B. a population's range, the amount of food available within the range, and the size that the population attains C. a population's range, the parental care received by each offspring within the population, and the size that the population attains D. a population's range, the size home range of an individual in the population, and the parental care expended for each offspring
Oceanic islands are not the only geographic habitats that can harbor isolated populations of individuals. What are some other examples of isolated "island" populations?
What will be an ideal response?
All of the following are either structures or characteristics of members of the Class Bivalvia of the Phylum Mollusca except
A. open circulation. B. a radula. C. the mantle. D. gills. E. a shell.
Which organisms form the basic foundation of the food chain in the ocean?
A) phytoplankton B) jellyfish C) krill D) shrimp