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TLS Online TPP Program

#Question id: 4706

Which of the following statements best explains why modification or change in an organ or tissue during the lifetime of an individual is not inherited?

#Section 2: Evolution

  1. Characteristics acquired during an organism's life are generally not passed on through genes.

  2. Spontaneous mutations can result in the appearance of new traits.

  3. Only favorable adaptations have survival value.

  4. Disuse of an organ may lead to its eventual disappearance.

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TLS Online TPP Program

#Question id: 11056

#Section 2: Evolution

The "dead-leaf" butterfly is aptly named. This is an example of what kind of defense against predation?
TLS Online TPP Program

#Question id: 10858

#Section 2: Evolution

Which of the following is an example of obligatory symbiotic mutualism?
TLS Online TPP Program

#Question id: 10738

#Section 1: Ecology

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

#Question id: 12266

#Section 1: Ecology

Populations inhabiting fragmented habitats form
TLS Online TPP Program

#Question id: 8917

#Section 2: Evolution

The Hox genes came to regulate each of the following in what sequence, from earliest to most recent?
1. identity and position of paired appendages in protostome embryos
2. formation of water channels in sponges
3. anterior-posterior orientation of segments in protostome embryos
4. positioning of tentacles in cnidarians
5. anterior-posterior orientation in vertebrate embryos