Practice Questions

TLS Online TPP Program

#Question id: 12324

According to the nonequilibrium model,

#Unit 10. Ecological Principles

Communities will remain in a mature state if there are no human disturbances.
Community structure remains constant in the absence of interspecific competition.
Communities are assemblages of closely linked species that are irreparably changed by disturbance.
Communities are constantly changing after being influenced by disturbances.

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TLS Online TPP Program

#Question id: 12573

#Unit 10. Ecological Principles

Which of the following conditions is the most likely indicator of a population in an extinction vortex?

TLS Online TPP Program

#Question id: 12574

#Unit 10. Ecological Principles

According to the small- population approach, what would be the best strategy for saving a population that is in an extinction vortex?

TLS Online TPP Program

#Question id: 12575

#Unit 10. Ecological Principles

All of the following are adaptations that permit the camel to be active by day in the desert EXCEPT

TLS Online TPP Program

#Question id: 12576

#Unit 10. Ecological Principles

Estimates of current rates of extinction

TLS Online TPP Program

#Question id: 12577

#Unit 10. Ecological Principles

During a field trip, an instructor touched a moth resting on a tree trunk. The moth raised its forewings to reveal large eyespots on its hind wings. The instructor asked why the moth lifted its wings. One student answered that sensory receptors had fired and triggered a neuronal reflex culminating in the contraction of certain muscles. A second student responded that the behaviour might frighten predators. Which statement best describes these explanations?

TLS Online TPP Program

#Question id: 12572

#Unit 10. Ecological Principles

Use what you know about ecosystem stability and the information provided in the graph below to answer the following question.

Which community (a-e) would likely be the most biodiverse?