What are the disadvantages and advantages of parthenogenesis?

The process of reproducing offspring from female eggs without any male involvement.

Advantages

1- Rapid production of numerous offspring and there is need of male gametes.

2- Require less amount of time and energy

3- Offspring are the exact copies of the parents and are called clones as they are similar morphologically and genetically.  

Disadvantages

1- There is no genetic variability.

2- No new genetic combinations which can be a threat for their survival during  population selection.  

answer; i believe its echoic memory,it is believed to last three to four seconds; good luck

i am going to guess that it is co2.