Practice Questions

TLS Online TPP Program

#Question id: 4588

Which statement illustrates the connection between natural selection and overreproduction of a population?

#Unit 11. Evolution and Behavior

Populations vary in their inherited traits.
Species produce more offspring than can survive in the environment.
Individuals with inherited traits that promote survival tend to have more surviving offspring.
Individuals with traits that do not enhance survival cannot reproduce.

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TLS Online TPP Program

#Question id: 12009

#Unit 10. Ecological Principles

Charles Darwin discussed all of the following EXCEPT:

TLS Online TPP Program

#Question id: 11095

#Unit 7. System Physiology – Animal

HIF-1 and HIF-2 can help increase the O2-carrying ability of the blood by

TLS Online TPP Program

#Question id: 2599

#Unit 2. Cellular Organization

The mRNA from the trp operon has a half-life of only about____

TLS Online TPP Program

#Question id: 10394

#Unit 6. System Physiology – Plant

The interconversion of phytochrome Pr to Pfr form proposed by

TLS Online TPP Program

#Question id: 13211

#Unit 6. System Physiology – Plant

The upward movement of water and solute against gravitational force from root to aerial parts of the plant through xylem is called