TLS Online TPP Program

#Question id: 12089


The massive adaptive radiation of insects over the world is most likely related to the

#Unit 10. Ecological Principles
  1. Worldwide increase in species diversity in the Cambrian period 
  2. Evolution of the land flora by the middle of the Palaeozoic era 
  3. Massive extinction at the end of the Mesozoic era
  4. Human alteration of the environment in the Pleistocene epoch

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TLS Online TPP Program

#Question id: 11777

#Unit 10. Ecological Principles

Some of the species of stalk-eyed flies are sexually dimorphic, with males having eye stalks up to twice as long as those in females. This gender difference in eye span results from selection by females on the expression of this trait in males, a process called __________.

TLS Online TPP Program

#Question id: 11778

#Unit 10. Ecological Principles

Asexually-produced offspring, descended from the same parent and bearing the same genotype, constitute a

TLS Online TPP Program

#Question id: 11779

#Unit 7. System Physiology – Animal

Which of the following decreases the resistance in the arteries leading to the sinuses of the penis?

TLS Online TPP Program

#Question id: 11780

#Unit 7. System Physiology – Animal

A patient has a goiter associated with high plasma levels of both thyrotropin-releasing hormone (TRH) and thyroid-stimulating hormone (TSH). Her heart rate is elevated. This patient most likely has which of the following?

TLS Online TPP Program

#Question id: 11781

#Unit 7. System Physiology – Animal

A 40-year-old woman comes to the emergency room with a fracture in the neck of the femur. Radiographs reveal generalized demineralization of the bone in the area. Her plasma calcium ion concentration is significantly greater than normal: 12.2 mg/dL. Which of the following conditions is consistent with this presentation?

TLS Online TPP Program

#Question id: 11782

#Unit 7. System Physiology – Animal

Which of the following pairs of hormones and the corresponding action is incorrect?