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TLS Online TPP Program

#Question id: 12411

Plant population age pyramids

#Section 1: Ecology
  1. Tend to have equal numbers of individuals in all age classes
  2. For understory trees can be developed by measuring the diameter of the trunk at breast height (DBH)
  3. Are easily constructed because many of the populations consist of clones
  4. Tend to be similar to those of animals

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TLS Online TPP Program

#Question id: 15716

#Section 2: Evolution

Evolutionary biology extends and amplifies the explanation of biological phenomena. It complements studies of the proximate causes (immediate, mechanical causes) of biological phenomena If we ask what causes a male bird to sing, the proximate causes include the action of testosterone or other hormones
TLS Online TPP Program

#Question id: 8935

#Section 2: Evolution

What may have occurred to prevent species that are of the same grade from also belonging to the same clade?
TLS Online TPP Program

#Question id: 16806

#Section 4: Behavioural Ecology

Which one among the following statements is incorrect?
TLS Online TPP Program

#Question id: 15722

#Section 2: Evolution

The variation that arises is directed toward fixed goals, so that a species evolves in a predetermined direction by some kind of internal drive, without the aid of natural selection. This hypothesis is known as,
TLS Online TPP Program

#Question id: 3314

#Section 2: Evolution

The body weight of offspring of bird species is range between 12 gm to 18 gm. In a laboratory experiment, species was subjected to selection pressure having influence on the offspring body weight. After many generations of experimental selection pressure, the body weight range between 14 gm to 16 gm. Which of the following natural selection operate on this species?