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TLS Online TPP Program

#Question id: 4658

Members of two different species possess a similar-looking structure that they use in a similar fashion to perform the same function. Which information would best help distinguish between an explanation based on homology versus one based on convergent evolution?

#Section 2: Evolution

  1. The two species live at great distance from each other.

  2. The two species share many proteins in common, and the nucleotide sequences that code for these proteins are almost identical.

  3. The sizes of the structures in adult members of both species are similar in size.

  4. Both species are well adapted to their particular environments.

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TLS Online TPP Program

#Question id: 16873

#General Aptitude

Ten years have passed ……… my grandmother died.
TLS Online TPP Program

#Question id: 11984

#Section 1: Ecology

The proximate causes of behavior are interactions with the environment, but behavior is ultimately shaped by
TLS Online TPP Program

#Question id: 11246

#Section 4: Behavioural Ecology

Which of the following are mechanisms that help prey avoid being eaten by predators?
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: 9213

#Section 2: Evolution

Suppose you attend a town meeting at which some experts tell the audience that they have performed a cost-benefit analysis of a proposed transit system that would probably reduce overall air pollution and fossil fuel consumption. The analysis, however, reveals that ticket prices will not cover the cost of operating the system when fuel, wages, and equipment are taken into account. As a biologist, you know that if ecosystem services had been included in the analysis, the experts might have arrived at a different answer. Why are ecosystem services rarely included in economic analyses?