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TLS Online TPP Program

#Question id: 11361

Which of the following tends to stabilize predator-prey relationships?

#Section 1: Ecology
  1. Density-dependent limitation of either predator or prey by factors external to their relationship
  2. Alternative food sources for the predator
  3. Safe refuges from predation at low prey densities
  4. All of the above
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TLS Online TPP Program

#Question id: 10895

#Section 1: Ecology

Members of a guild
TLS Online TPP Program

#Question id: 11516

#Section 2: Evolution

What type of survivorship curve do humans have?
TLS Online TPP Program

#Question id: 11178

#Section 1: Ecology

At low population densities
TLS Online TPP Program

#Question id: 10647

#Section 2: Evolution

Use the graph to answer the following question


In the figure, which of the following survivorship curves implies that an animal may lay many eggs, of which a regular number die each year on a logarithmic scale?
TLS Online TPP Program

#Question id: 12140

#Section 1: Ecology

In some animal species, social organization involves the establishment of a system of ordered social rank instead of the occupancy of territories. Such a system of ordered social rank is referred to as a __________.