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TLS Online TPP Program

#Question id: 11406

Which of the following is true for a critically endangered species?

#Section 5: Applied Ecology & Evolution
  1. Reduction in population size is greater than 90%; estimated extinction risk at least 80% in 10 years; area of occupancy less than 10 km^2 generations
  2. Reduction in population size is greater than 90%; estimated extinction risk at least 50% in 10 years; area of occupancy less than 100 km^2 generations
  3. Reduction in population size is greater than 90%; estimated extinction risk at least 50% in 10 years; extent of occurrence less than 10 km^2 generations
  4. Reduction in population size is greater than 90%; estimated extinction risk at least 50% in 10 years; area of occupancy less than 10 km^2 g 
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TLS Online TPP Program

#Question id: 12103

#Section 1: Ecology

Which of the following is a good description of an ecological niche? 
TLS Online TPP Program

#Question id: 11928

#Section 1: Ecology

In most species, deviations from equal proportions of males and females in a sexually-reproducing population will confer an advantage to genotypes that: 
TLS Online TPP Program

#Question id: 10665

#Section 2: Evolution

Complete the following hypothetical life table of a species. 


Initial population size is 1000. What will be population size in next generation?


TLS Online TPP Program

#Question id: 3478

#Section 4: Behavioural Ecology

Natural selection may favour the evolution of foraging behaviours by predator that
TLS Online TPP Program

#Question id: 3510

#Section 2: Evolution

Assume that the trihybrid cross AA BB RR X aa bb rr is made in a plant species in. What proportion of F2 progeny would be expected to be homozygous for all three genes when independently assort?