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#Question id: 5078


A human blastomere is:

#Unit 5. Developmental Biology
  1. an embryonic cell that is smaller than the ovum

  2. an embryonic structure that includes a fluid-filled cavity

  3. that part of the acrosome that opens the egg's membrane

  4. a cell that contains a (degenerating) second polar body


Answer:- Option(s): 1


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TLS Online TPP Program

#Question id: 10744

#Unit 10. Ecological Principles

Something that triggers a fixed action potential (FAP) is considered to be a(n) _____________.

TLS Online TPP Program

#Question id: 10745

#Unit 10. Ecological Principles

Releasers may be ____________.

TLS Online TPP Program

#Question id: 10746

#Unit 10. Ecological Principles

The difference between an edge and an ecotone is that an edge is ________, whereas an ecotone is ________.

TLS Online TPP Program

#Question id: 10747

#Unit 10. Ecological Principles

Extinction describes a loss of learning in _____________.

TLS Online TPP Program

#Question id: 10748

#Unit 10. Ecological Principles

Learning how much to study to earn an “a” in biology is an example of _____________.

TLS Online TPP Program

#Question id: 12280

#Unit 10. Ecological Principles

What is the effective population size of a population of 50 strictly monogamous swans (40 males and 10 females) if every female breeds successfully?

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