With brain size of 1400cc, lived in near east and central Asia in between 100000 to 40000 years back, dead body burial, use of caves or hides to protect their body
(1) Homo erectus
(2) Homo habilus
(3) Neanderthal
(4) Australopithecus
Which of the following is not true about Homo sapiens?
(1) Arose in 75000- 10000 years ago
(2) Cave art developed about 18000 years ago
(3) Agriculture came around 10000 years ago
(4) Modern man's skull resembles more with adult chimpanzee than baby chimpanzee.
The only evolutionary agent that produces adaptive evolutionary changes is :
(1) Nonrandom mating
(2) Mutation
(3) Genetic drift
(4) Natural selection
............... operates to eliminate intermediate phenotypes.
(1) Directional selection
(2) Disruptive selection
(3) Stabilizing selection
(4) Random chance
The selecting agent in industrial melanism was:
(1) humans
(2) toxins from smoke
(3) birds
(4) tree bark
Natural selection acts on an organism’s:
(1) dominant alleles
(2) recessive, homozygous alleles
(3) phenotype
(4) combined genotype
At the time early life first formed on Earth, the atmosphere could best be described as:
1. oxidizing
2. reducing
3. rich in oxygen
4. low in hydrogen gas
Which of the following statements is TRUE?
1. Prokaryotes evolved before eukaryotes.
2. Eukaryotes evolved before prokaryotes.
3. Prokaryotes and eukaryotes evolved at approximately the same time.
4. It is unclear whether prokaryotes or eukaryotes evolved first
Disruptive selection favors:
1. Both extreme forms of a trait
2. Intermediate forms of a trait
3. One of the extremes of a trait
4. Environmental differences
Which one of the following would cause the Hardy-Weinberg principle to be inaccurate?
1. The size of the population is very large.
2. Individuals mate with one another at random.
3. Natural selection is present.
4. There is no source of new copies of alleles from outside the population.