TLS Online TPP Program

#Question id: 3511


What proportional of one round and two wrinkle seed if random selected 3 seed from various seed produced from monohybrid test cross?

#Section 2: Evolution
  1. 3/64    

  2. 9/64     

  3. 27/64       

  4. 3/8

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TLS Online TPP Program

#Question id: 8846

#Section 2: Evolution

Why are hydrocarbons insoluble in water?

TLS Online TPP Program

#Question id: 12141

#Section 1: Ecology

The density and spacing of individuals within suitable habitat and the proportions of individuals in each age class comprise a population's __________. 

TLS Online TPP Program

#Question id: 4715

#Section 2: Evolution

Claytonia virginica is a woodland spring herb with flowers that vary from white, to pale pink, to bright pink. Slugs prefer to eat pink-flowering over white-flowering plants (due to chemical differences between the two), and plants experiencing severe herbivory are more likely to die. The bees that pollinate this plant also prefer pink to white flowers, so that Claytonia with pink flowers have greater relative fruit set than Claytonia with white flowers. A researcher observes that the percentage of different flower colors remains stable in the study population from year to year. Given no other information, if the researcher removes all slugs from the study population, what do you expect to happen to the distribution of flower colors in the population over time?

TLS Online TPP Program

#Question id: 9595

#Section 5: Applied Ecology & Evolution

The process is that the absorbed photon causes an electron rearrangement in the reaction centre chlorophyll, followed by an electron transfer process in which part of the energy in the photon is captured in the form of

TLS Online TPP Program

#Question id: 12332

#Section 1: Ecology

With a few exceptions, most of the food chains studied by ecologists have a maximum of how many links?