Classification.Respond to the following statements used by ecologists with reference to the five terms listed below:
A. The maximum number of individuals that a given habitat can support
B. Movement of individuals out of a population
C. Movement of individuals into a population
D. This is a factor that causes a logistic growth pattern
E. This limits population growth to the same degree regardless of population density.
A. Carrying capacity
B. Emigration
C. Immigration
D. Density-dependent limiting factor
E. Density-independent limiting factor
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What is the firing rate of a neuron?
A. the magnitude of a depolarization B. the magnitude of an action potential C. the number of action potentials generated over a given period of time D. it's related to the resting membrane potential
You are reviewing population pyramids of different countries for an exam. The pyramid of a particular country has a very high number of individuals in the post reproductive category (ages 40 and up) and very few individuals in the group below the age of 20. In which category would you put the country?
1.Declining. 2.Stable. 3.Increasing. 4.There is not enough information to determine the appropriate category.
Refer to the accompanying figure. The structure labeled as 2 is the:a
a. neural plate
b. neural fold
c. notochord
d. somite
e. neural crest
Which of the following species is both a keystone species and a flagship species?
A. grizzly bear B. alligator C. dolphin D. beaver E. panda