A randomly selected sample of 1,000 college students was asked whether they had ever used the drug Ecstasy. Sixteen percent (16% or 0.16) of the 1,000 students surveyed said they had. Which one of the following statements about the number 0.16 is correct?

#Question id: 12314

#Section 4: Behavioural Ecology

#Question id: 4941

#Section 2: Evolution

Which of the factors below weaken the hypothesis of abiotic synthesis of organic monomers in early Earthʹs atmosphere?

1.  the relatively short time between intense meteor bombardment and appearance of the first life forms

2.  the lack of experimental evidence that organic monomers can form by abiotic synthesis

3.  Uncertainty about which gases comprised early Earthʹs atmosphere

#Question id: 9595

#Section 5: Applied Ecology & Evolution

The process is that the absorbed photon causes an electron rearrangement in the reaction centre chlorophyll, followed by an electron transfer process in which part of the energy in the photon is captured in the form of

#Question id: 10667

#Section 2: Evolution

Which of the following is correct statement?

A) The average number of offspring that female producing during life time is called NET reproductive rate

B) The number of birth minus the number of death per generation time called called per capita growth rate

C) The average number of female offspring that female producing during life time is called NET reproductive rate

D) The average number of offspring that breeding male and female producing during life time is called NET reproductive rate

#Question id: 10836

#Section 2: Evolution

Which of the following is an example of a plant morphological defence?