Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 4404
TLS Online TPP Program

#Question id: 4617

Which of the following is not an observation or inference on which natural selection is based?

#Unit 11. Evolution and Behavior

  1.  There is heritable variation among individuals.

  2. Poorly adapted individuals never produce offspring.

  3. Species produce more offspring than the environment can support.

  4. Only a fraction of an individual's offspring may survive.

More Questions
TLS Online TPP Program

#Question id: 6990

#Unit 5. Developmental Biology

Insects such as Drosophila undergo three molts before becoming a pupa and undergoing metamorphosis. Molting, which is also called 'ecdysis', is controlled by what hormone?
TLS Online TPP Program

#Question id: 6991

#Unit 5. Developmental Biology

Metamorphosis of amphibians is triggered by environmental cues that act on the:
TLS Online TPP Program

#Question id: 6992

#Unit 5. Developmental Biology

Epimorphosis is regeneration through:
TLS Online TPP Program

#Question id: 6993

#Unit 5. Developmental Biology

What molecular marker of head identity is found in the apical tip of a Hydra during head regeneration?
TLS Online TPP Program

#Question id: 6994

#Unit 5. Developmental Biology

Puberty is initiated by pulse release of _____________(hormone)
TLS Online TPP Program

#Question id: 6995

#Unit 5. Developmental Biology

The migratory neural crest cells ________.