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TLS Online TPP Program

#Question id: 11353

Prior to the availability of a measles vaccine, outbreaks of measles occurred at two-year intervals, why?

#Section 4: Behavioural Ecology
  1. Measles outbreaks occurred during hard winters, which happen every other year
  2. Two years were required for accumulation of enough susceptible infants
  3. Immunity to measles wore off in about two years
  4. Two years were required for the measles virus to disperse from tropical sources
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TLS Online TPP Program

#Question id: 10897

#Section 2: Evolution

When three species of sunfish with similar niches were all placed in the same experimental pond, each made use of resources that they did not exploit in the absence of the other species. This scenario is referred to as
TLS Online TPP Program

#Question id: 10248

#Section 4: Behavioural Ecology

Factors involved in an animal’s foraging "strategy" are
TLS Online TPP Program

#Question id: 12111

#Section 1: Ecology

Which of the following is a tertiary consumer?
TLS Online TPP Program

#Question id: 11056

#Section 1: Ecology

The "dead-leaf" butterfly is aptly named. This is an example of what kind of defense against predation?
TLS Online TPP Program

#Question id: 10849

#Section 1: Ecology

Plasmodium is transmitted from human to human by the bite of a mosquito carrier. In this scenario plasmodium is the ________, the mosquito is the ________, and _______ is the role played by the human.