A relatively ________ lake is characterized by an abundance of nutrients, abundant algal growth, and shallow light penetration
Fill in the blank(s) with correct word
eutrophic
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The evolution of a number of ecologically diverse species from a common ancestral species is
a. parapatric speciation. b. sympatric speciation. c. adaptive radiation. d. phyletic gradualism. e. convergent evolution.
Which property is true of living things?
a. They are stable over time. b. They are stable over many generations. c. They use protein as their hereditary material. d. They must obtain all organic molecules of life from external sources. e. They consist of one or more cells.
According to the intermediate disturbance hypothesis, ____
a. species richness becomes greatest in between disturbances of moderate intensity or frequency b. a disturbance is necessary during succession in order to stabilize the community c. community succession is highly predictable d. competition and other species interactions are the most important factors in shaping community structure e. a community reverts to a climax state after a disturbance
Filarial roundworms cause elephantiasis by
a. encysting in muscle tissue. b. promoting the growth of fatty tumors. c. obstructing lymphatic vessels. d. laying numerous eggs in the joints of their hosts.