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TLS Online TPP Program

#Question id: 11505

An individual mixotroph loses its plastids, yet continues to survive. Which of the following most likely accounts for its continued survival?

#Section 2: Evolution
  1. It relies on photosystems that float freely in its cytosol.
  2. It must have gained extra mitochondria when it lost its plastids.
  3. It engulfs organic material by phagocytosis or by absorption.
  4. It has an endospore.
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TLS Online TPP Program

#Question id: 3354

#Section 2: Evolution

What kind of speciation would you call this?
TLS Online TPP Program

#Question id: 3267

#Section 2: Evolution

In a typical Mendelian population, individuals carrying gene ‘a’ in homozygous condition suffer from phenylketonurea. Those with A in homozygous condition are normal. Others, who are heterozygotic with Aa, are carriers. If the frequency of ‘a’ in a population is 0.20, what is the percentage of normal individual in the population?
TLS Online TPP Program

#Question id: 3352

#Section 2: Evolution

The kind of natural selection in A and B are
TLS Online TPP Program

#Question id: 11349

#Section 4: Behavioural Ecology

Prey exposed to a predator may __________.
TLS Online TPP Program

#Question id: 9214

#Section 2: Evolution

Researchers have been studying a rare population of 87 voles in an isolated area. Ten voles from a larger population were added to this isolated population. Besides having ten additional animals, what benefits are there to importing individuals?