Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 4788
TLS Online TPP Program

#Question id: 5001

Fossil evidence indicates that several kinds of flightless dinosaurs possessed feathers. If some of these feather-bearing dinosaurs incubated clutches of eggs in carefully constructed nests, this might be evidence supporting the claim that

#Unit 11. Evolution and Behavior

  1. dinosaurs were as fully endothermal (warm-blooded) as modern birds and mammals.

  2. their feathers originally served as insulation, and only later became flight surfaces.

  3. the earliest reptiles could fly, and the feathers of flightless dinosaurs were vestigial flight surfaces.

  4. the feathers were plucked from the bodies of other adults to provide nest-building materials.

More Questions
TLS Online TPP Program

#Question id: 8922

#Unit 9. Diversity of Life Forms

Which statement is most consistent with the hypothesis that the Cambrian explosion was caused by the rise of predator-prey relationships?
TLS Online TPP Program

#Question id: 8923

#Unit 9. Diversity of Life Forms

Which of these genetic processes may be most helpful in accounting for the Cambrian explosion?
TLS Online TPP Program

#Question id: 8924

#Unit 9. Diversity of Life Forms

Fossil evidence indicates that the following events occurred in what sequence, from earliest to most recent?
1. Protostomes invade terrestrial environments.
2. Cambrian explosion occurs.
3. Deuterostomes invade terrestrial environments.
4. Vertebrates become top predators in the seas.
TLS Online TPP Program

#Question id: 8925

#Unit 9. Diversity of Life Forms

What is the probable sequence in which the following clades of animals originated, from earliest to most recent?
1. tetrapods
2. vertebrates
3. deuterostomes
4. amniotes
5. bilaterians
TLS Online TPP Program

#Question id: 8926

#Unit 9. Diversity of Life Forms

Sponges and cnidarians are among the fossilized animals found in both the Ediacara Hills and the Burgess Shale from the Rocky Mountains of British Colombia. This observation requires that
TLS Online TPP Program

#Question id: 8927

#Unit 9. Diversity of Life Forms

Arthropods invaded land about 100 million years before vertebrates did so. This most clearly implies that