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TLS Online TPP Program

#Question id: 8287

The following phylogeny shows six living species (a-f) and five ancestral (now extinct) species (#1-5). If the phylogeny had been developed on the basis of similarities in bone structure, which of the following predictions would you make in terms of the structure of a particular enzyme?


#Section 2: Evolution
  1. The enzymes of species b and f are very similar.
  2. The enzymes of species b and c are more similar to ancestor #4 than to ancestor 2
  3. The enzymes of species a and b are the same as that of ancestor #2.
  4. The enzyme of species c is very similar to that of species d.
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TLS Online TPP Program

#Question id: 10875

#Section 1: Ecology

When the population density of species P , then
TLS Online TPP Program

#Question id: 12322

#Section 1: Ecology

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

#Question id: 10742

#Section 1: Ecology

Interior species
TLS Online TPP Program

#Question id: 11778

#Section 2: Evolution

Asexually-produced offspring, descended from the same parent and bearing the same genotype, constitute a
TLS Online TPP Program

#Question id: 12581

#Section 5: Applied Ecology & Evolution

Which of the following causes an increase in the intensity of UV radiation reaching the Earth?