Practice Questions

TLS Online TPP Program

#Question id: 12978

Why is territoriality an adaptive behavior for songbirds maintaining populations at or near their carrying capacity?

#Unit 10. Ecological Principles

Songbirds expend a tremendous amount of energy defending territories so that they spend less time feeding their young and fledgling mortality increases.
Only the fittest males defend territories and they attract the fittest females so the best genes are conveyed to the next generation.
Songbird males defend territories commensurate with the size from which they can derive adequate re- sources for themselves, their mate, and their chicks.
Many individuals are killed in the ritualistic conflicts that go along with territorial defense.

More Questions

TLS Online TPP Program

#Question id: 23702

#Unit 13. Methods in Biology

The major advantage of using artificial chromosomes such as YACs and BACs for cloning genes is that

TLS Online TPP Program

#Question id: 23703

#Unit 13. Methods in Biology

Which of the following produces multiple identical copies of a gene for basic research or for large-scale production of a gene product?

TLS Online TPP Program

#Question id: 23704

#Unit 13. Methods in Biology

Which of the following seals the sticky ends of restriction fragments to make recombinant DNA?

TLS Online TPP Program

#Question id: 23705

#Unit 13. Methods in Biology

Which of the following is used to make complementary DNA (cDNA) from RNA?

TLS Online TPP Program

#Question id: 23706

#Unit 13. Methods in Biology

Which of the following cuts DNA molecules at specific locations?

TLS Online TPP Program

#Question id: 23707

#Unit 13. Methods in Biology

Which of the following separates molecules by movement due to size and electrical charge?