TLS Online TPP Program

#Question id: 4933


What structure do protocells have in common with current cells?

#Section 2: Evolution
  1. a membrane

  2. nucleic acid

  3. proteins

  4. lipid

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TLS Online TPP Program

#Question id: 3491

#Section 4: Behavioural Ecology

Some dogs love attention, and learns that if he barks, he gets attention. Which of the following might you use to describe this behavior?

A) The dog is displaying an instinctive fixed action pattern.

B) The dog is trying to protect its territory.

C) The dog has been classically conditioned.

D) The dog's behavior is a result of operant conditioning

E) The dog is displaying controlled by external stimuli

TLS Online TPP Program

#Question id: 10655

#Section 2: Evolution

Which of the following statements about the evolution of life histories is correct?

A) Unstable environments with unlimited resources favor r-selected populations.

B) K-selected populations are most often found in environments where density-independent factors are important regulators of population size.

C) Most populations have both r- and K-selected characteristics that vary under different environmental conditions.

D) The reproductive efforts of r-selected populations are directed at producing just a few offspring with good competitive abilities.

TLS Online TPP Program

#Question id: 7705

#Section 2: Evolution

 Based on this tree, which statement is correct?


TLS Online TPP Program

#Question id: 10673

#Section 1: Ecology

Which of following attributes of parasite agent acts as a biological control is not necessary?

TLS Online TPP Program

#Question id: 12295

#Section 1: Ecology

Which of these equations would give the growth rate of a population?