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TLS Online TPP Program

#Question id: 9594

The first reaction that converts electron energy into chemical energy—What will happened in  the primary photochemical event—

#Unit 6. System Physiology – Plant
  1. The transfer of an electron from the excited state of a chlorophyll in the reaction centre to an acceptor molecule-pheophytin
  2. The reaction centre chlorophyll is in an oxidized state (electron deficient, or positively charged), and the nearby electron acceptor molecule is reduced (electron rich, or negatively charged)
  3. The reaction centre chlorophyll is in an oxidized state (electron deficient, or negatively charged), and the nearby electron acceptor molecule is reduced (positively charged)
  4. The transfer of an electron from the excited state of a chlorophyll in the reaction centre to an acceptor molecule- plastocyanin
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TLS Online TPP Program

#Question id: 12469

#Unit 10. Ecological Principles

A population of strictly monogamous swans consists of 40 males and 10 females. What is the effective population size (ne) for this population?
TLS Online TPP Program

#Question id: 12470

#Unit 10. Ecological Principles

An ecologist recorded 12 white-tailed deer, Odocoileus virginianus, per square mile in one woodlot and 20 per square mile on another woodlot. What was the ecologist comparing?
TLS Online TPP Program

#Question id: 12471

#Unit 10. Ecological Principles

To measure the population density of monarch butterflies occupying a particular park, 100 butterflies are captured, marked with a small dot on a wing, and then released. The next day, another 100 butterflies are captured, including the recapture of 20 marked butterflies. One would estimate the population to be
TLS Online TPP Program

#Question id: 12472

#Unit 10. Ecological Principles

During the spring, you are studying the mice that live  in  a  field  near your home. There are lots  of  mice in  this field, but you realize that you rarely observe any reproductive females. This most likely indicates
TLS Online TPP Program

#Question id: 12473

#Unit 10. Ecological Principles

You are observing a population of lizards when you notice that the number of adults has increased and is higher than previously observed. One explanation for such an observation would include
TLS Online TPP Program

#Question id: 12474

#Unit 10. Ecological Principles

The most common kind of dispersion in nature is