Restoration ecology is similar, at least in part, to stewardship and management. However, the main distinction that sets restoration ecology apart from stewardship and management is
A. that humans are a part of the system.
B. direct human intervention for a predetermined end.
C. a philosophy that nature will heal without intervention.
D. the use of modern technological tools such as geographic information systems.
E. a philosophy that humans will not be able to "fix" a system.
Answer: B. direct human intervention for a predetermined end.
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XLD agar serves which purpose when used in the bacterial fecal culture?
a. Evaluation of general flora and predomi-nant species b. Selection of enteric pathogens such as Salmonella, Aeromonas, and others c. Inhibition of normal flora and selection of enteric pathogens d. Enrichment for enteric pathogens such as Salmonella and others
Cheetahs are cats native to the African continent. The population numbers have been drastically reduced in the past. Also, the allele frequencies of the cheetah populations are very similar, with little or no differences among populations. Individuals are virtually genetically identical. The loss of genetic variation in cheetahs is likely due to
1.a founder effect 2.a bottleneck effect 3.sexual selection 4.chance
In all food chains, the flow of energy is unidirectional from the bottom to the top
Indicate whether the statement is true or false
________ function in the collection, packaging, and distribution of molecules made in the cell.
A. Mitochondria B. Golgi bodies C. Ribosomes D. Peroxisomes