Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 9209
TLS Online TPP Program

#Question id: 12427

Trophic efficiency is

#Unit 10. Ecological Principles
  1. The ratio of net secondary production to assimilation of primary production. 
  2.  The percentage of production transferred from one trophic level to the next. 
  3. A measure of how nutrients are cycled from one trophic level to the next. 
  4. Usually greater than production efficiencies
More Questions
TLS Online TPP Program

#Question id: 5545

#Unit 5. Developmental Biology

The placenta functions as a(n):
TLS Online TPP Program

#Question id: 5546

#Unit 5. Developmental Biology

By the end of _______________ , distribution of cells into the three primary tissue types has been completed
TLS Online TPP Program

#Question id: 5547

#Unit 5. Developmental Biology

 Cells that rove from somites form the
TLS Online TPP Program

#Question id: 5548

#Unit 5. Developmental Biology

Vertebrate lungs are derived from
TLS Online TPP Program

#Question id: 5549

#Unit 5. Developmental Biology

During initial stages of vertebrate cleavage, successive blastomeres
TLS Online TPP Program

#Question id: 5550

#Unit 5. Developmental Biology

The vertebrate nervous system is derived from