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TLS Online TPP Program

#Question id: 11545

Growth factors are local regulators that ________.

#Unit 7. System Physiology – Animal
  1. are modified fatty acids that stimulate bone and cartilage growth
  2. are found on the surface of cancer cells and stimulate abnormal cell division
  3. bind to cell-surface receptors and stimulate growth and development of target cells
  4. convey messages between nerve cells
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TLS Online TPP Program

#Question id: 12565

#Unit 10. Ecological Principles

If we say a species is endemic to a certain area, we mean that
TLS Online TPP Program

#Question id: 12566

#Unit 10. Ecological Principles

Forests with a high density of native conifer trees are found in:
TLS Online TPP Program

#Question id: 12567

#Unit 10. Ecological Principles

Which of the following is true about the current research about forest fragmentation?
TLS Online TPP Program

#Question id: 12568

#Unit 10. Ecological Principles

Which of the following would a landscape ecologist consider in designing a nature reserve? 
TLS Online TPP Program

#Question id: 12569

#Unit 10. Ecological Principles

Use the information below about quail habitats to answer the following questions. Which of these represents the best quail habitat in terms of fragmentation and edge
TLS Online TPP Program

#Question id: 12570

#Unit 10. Ecological Principles

Extinction is a natural phenomenon. It is estimated that 99% of all species that ever lived are now extinct. Why then do we say that we are now in a biodiversity crisis?