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TLS Online TPP Program

#Question id: 12322

Which of the following could qualify as a top-down control on a grassland community? 

#Section 1: Ecology
  1. Limitation of plant biomass by rainfall amount
  2. Influence of temperature on competition among plants
  3. Influence of soil nutrients on the abundance of grasses versus wildflowers
  4. Effect of grazing intensity by bison on plant species diversity

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TLS Online TPP Program

#Question id: 12295

#Section 1: Ecology

Which of these equations would give the growth rate of a population?
TLS Online TPP Program

#Question id: 12296

#Section 1: Ecology

When calculating population growth rate, the symbol r refers to ________________.
TLS Online TPP Program

#Question id: 12297

#Section 1: Ecology

___________ is the pattern of individuals of a population scattered throughout habitat space.
TLS Online TPP Program

#Question id: 12298

#Section 1: Ecology

The number of offspring an individual produces over its lifetime is _______________.
TLS Online TPP Program

#Question id: 12299

#Section 1: Ecology

An r-selected species would have what attribute?
TLS Online TPP Program

#Question id: 12350

#Section 1: Ecology

What is the approximate current growth rate of the human population?