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TLS Online TPP Program

#Question id: 4600

Scientific theories ________.

#Section 2: Evolution

  1. are nearly the same things as hypotheses

  2. are supported by, and make sense of, many observations

  3. cannot be tested because the described events occurred only once

  4. are predictions of future events

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TLS Online TPP Program

#Question id: 10600

#Section 1: Ecology

Which of the following is not feature of Type II survivorship curve?
TLS Online TPP Program

#Question id: 10681

#Section 1: Ecology

Which of the following is not condition for commensalism?
TLS Online TPP Program

#Question id: 10839

#Section 1: Ecology

Which of the following statements about plants and herbivores is true?
TLS Online TPP Program

#Question id: 12372

#Section 1: Ecology

In a particular case of secondary succession, three species of wild grass all invaded a field. By the second season, a  single species dominated the field. A possible factor in this secondary succession was
TLS Online TPP Program

#Question id: 3372

#Section 2: Evolution

Fish, penguin and Dolphin are independently evolved similar traits as a result of having to adapt to similar environments or ecological niches.

A. On a molecular level, this can happen due to random mutation in unrelated taxon to adaptive changes

B. This is the example of divergent evolution, occurred due to similar group of organisms inhabiting different environments

C. Similar phenotype are produced by identical change in orthologous gene

D. This is the example of convergent evolution, occurred due to similar group of organisms inhabiting different environments

Which of the following is the correct combination?