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TLS Online TPP Program

#Question id: 5526

The allantois

#5. Developmental Biology

  1. Occurs in birds but not in mammals

  2. Is an outgrowth of the amnion in all animals producing it

  3. Contributes blood vessels to the umbilical cord in mammals

  4. Becomes the placenta in mammals

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TLS Online TPP Program

#Question id: 10732

#10. Ecological Principles

A community plus the nonliving factors with which it interacts is called a(n)
TLS Online TPP Program

#Question id: 10734

#10. Ecological Principles

This term is a measure of the ability of a system to resist change in the face of outside influences.
TLS Online TPP Program

#Question id: 10736

#10. Ecological Principles

Ecotones are:
TLS Online TPP Program

#Question id: 10737

#10. Ecological Principles

Which of the following statements is true?
TLS Online TPP Program

#Question id: 10738

#10. Ecological Principles

Which of the following terms is inconsistent with the others?
TLS Online TPP Program

#Question id: 10739

#10. Ecological Principles

 A rat that is "maze-dull"