Which set of values would result in a population with a growth rate of zero?
a. b = 1000, d = 500, i = 750, e = 1000
b. b = 1000, d = 500, i = 1000, e = 1000
c. b = 1000, d = 500, i = 1500, e = 1000
d. b = 1000, d = 500, i = 0, e = 1000
e. b = 1000, d = 500, i = 500, e = 1000
e
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Answer the following statements true (T) or false (F)
1. The island biogeography model of Robert MacArthur and E.O. Wilson attempts to predict an equilibrium number of species on an island based on the immigration of new species and the extinction of resident species. 2. Tree species richness in the United States is highest in the southeast. 3. In the Shannon diversity index, communities with more species evenness will tend to have a higher H. 4. Joseph Connell proposed that at low rates of disturbance, a community will become dominated by K-selected species.
In which type of population distribution would
plot sampling be most accurate?
a. clumping b. uniform c. random d. random and clumping e. uniform and clumping
An ecosystem is made up of ____
a. only plants, animals and fungi b. organisms and nonliving things c. only rocks and minerals d. only plants, protozoa, and fungi e. the biosphere of the region
An inflammatory condition of the respiratory system that results in intermittent wheezing and excess mucus production is called:
A) sinusitis. B) asthma. C) bronchitis. D) emphysema.