Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 31845
TLS Online TPP Program

#Question id: 5029

Which of the following was the least likely factor causing the Cambrian explosion?

#Unit 11. Evolution and Behavior

  1. the emergence of predator-prey relationships between animals

  2. the accumulation of diverse adaptations, such as shells and different modes of locomotion

  3. the movement of animals onto land

  4. the evolution of Hox genes that controlled development

More Questions
TLS Online TPP Program

#Question id: 11574

#Unit 7. System Physiology – Animal

Glucocorticoids do which of the following?
TLS Online TPP Program

#Question id: 6952

#Unit 5. Developmental Biology

Which technique is commonly used for gene knock-out in mice?
TLS Online TPP Program

#Question id: 8703

#Unit 9. Diversity of Life Forms

In a comparison of birds and mammals, having four limbs is ________.
TLS Online TPP Program

#Question id: 11062

#Unit 7. System Physiology – Animal

The alveolar pressure of a normal 77-year-old woman is approximately 1 cm H2O during expiration. What is the alveolar pressure during inspiration (in cm H2O)?
TLS Online TPP Program

#Question id: 5267

#Unit 8. Inheritance Biology

The F plasmid carries the information for