Adenine was synthesized by Orgel, using the Miller apparatus, when he used the gas:
1. carbon dioxide
2. hydrogen cyanide
3. hydrogen sulfide
4. nitrogen
Which of the following organisms alive today is likely to be most similar to the first life forms that evolved on the earth?
1. Methane producing bacteria
2. Cyanobacteria
3. Unicellular algae
4. Diatoms
What provides new alleles and therefore underlies all other mechanisms that produce variation ?
1. Speciation
2. Mutation
3. Recombination
4. Natural selection
Which of the following is the most important precondition for speciation to occur?
(a) Reproductive isolation
(b) A crash of the population size
(c) Adaptive radiation
(d) Random mating
The similarities between the eyes of an octopus and of a mammal are a result of:
1. Convergent evolution
2. Divergent evolution
3. Saltation
4. Retrograde evolution
Which of the following would lead to deviation from Hardy-Weinberg equilibrium?
1. Random mating
2. Lack of mutations
3. No gene flow or gene migration
4. Natural selection
The now extinct reptile group that evolved into mammals was:
1. Therapsids
2. Dinosaurs
3. Thecodants
4. Sauropsids
Identify the correct statement:
1. Dryopithecus was more man like than Ramapithecus
2. Homo Habilis probably did not eat meat
3. Homo Erectus had a cranial capacity of around 800 cc
4. Agriculture came around 18000 years ago