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TLS Online TPP Program

#Question id: 4649

Which statement best describes the evolution of pesticide resistance in a population of insects?

#Section 2: Evolution

  1. Individual members of the population slowly adapt to the presence of the chemical by striving to meet the new challenge.

  2. All insects exposed to the insecticide begin to use a formerly silent gene to make a new enzyme that breaks down the insecticide molecules.

  3. Insects observe the behavior of other insects that survive pesticide application, and adjust their own behaviors to copy those of the survivors.

  4. Offspring of insects that are genetically resistant to the pesticide become more abundant as the susceptible insects die off.

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TLS Online TPP Program

#Question id: 4602

#Section 2: Evolution

If the bacterium Staphylococcus aureus experiences a cost for maintaining one or more antibiotic-resistance genes, what would happen in environments that lack antibiotics?
TLS Online TPP Program

#Question id: 4604

#Section 2: Evolution

Structures as different as human arms, bat wings, and dolphin flippers contain many of the same bones, which develop from similar embryonic tissues. These structural similarities are an example of ________.
TLS Online TPP Program

#Question id: 11053

#Section 1: Ecology

The key difference between a territory and a home range is
TLS Online TPP Program

#Question id: 10896

#Section 2: Evolution

Resource partitioning results in
TLS Online TPP Program

#Question id: 16831

#General Aptitude

If the net was folded into a cube, which of the given shapes would it look like?