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TLS Online TPP Program

#Question id: 11993

Which of the following statements about light in aquatic environments is correct? 

#Unit 10. Ecological Principles
  1. Water selectively reflects and absorbs certain wavelengths of light.
  2. Photosynthetic organisms that live in deep water probably use red light.
  3. Longer wavelengths penetrate to greater depths.
  4. Light penetration seldom limits the distribution of photosynthetic species.
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TLS Online TPP Program

#Question id: 5087

#Unit 5. Developmental Biology

The outer-to-inner sequence of tissue layers in a post-gastrulation vertebrate embryo is ________.
TLS Online TPP Program

#Question id: 5088

#Unit 5. Developmental Biology

 If gastrulation was blocked by an environmental toxin, then ________.
TLS Online TPP Program

#Question id: 5089

#Unit 5. Developmental Biology

The archenteron of the developing sea urchin eventually develops into the ________.
TLS Online TPP Program

#Question id: 5090

#Unit 5. Developmental Biology

Which of the following is a correct description of the fate of the germ layers?
TLS Online TPP Program

#Question id: 5091

#Unit 5. Developmental Biology

In all vertebrate animals, development requires ________.
TLS Online TPP Program

#Question id: 5092

#Unit 5. Developmental Biology

The least amount of yolk would be found in the egg of a ________.