Which of the following is an essential element of plasmids used as cloning vectors?

a. a centromere

b. a telomere

c. an origin of replication

d. a drug resistance gene

TLS Online TPP Program

#Question id: 11983

#Unit 10. Ecological Principles

Which of the following is a behavioral pattern resulting from an ultimate cause?

TLS Online TPP Program

#Question id: 11984

#Unit 10. Ecological Principles

The proximate causes of behavior are interactions with the environment, but behavior is ultimately shaped by

TLS Online TPP Program

#Question id: 11985

#Unit 10. Ecological Principles

In  the  territorial  behavior  of  the  stickleback  fish,  the  red  belly  of  one  male  elicits  attack  from  another  male  by functioning as

TLS Online TPP Program

#Question id: 11986

#Unit 10. Ecological Principles

Which of the following statements is (are) true of fixed action patterns? 

TLS Online TPP Program

#Question id: 11987

#Unit 10. Ecological Principles

A cage containing male mosquitoes has a small earphone placed on top, through which the sound of a female mosquito is played. All the males immediately fly to the earphone and thrust their abdomens through the fabric of the cage. What is the best explanation for this behavior?

TLS Online TPP Program

#Question id: 11988

#Unit 10. Ecological Principles

If mayflies lay eggs on roads instead of in water, this behavior could involve which of the following?