Origin and Evolution of Life: Page 117-118 Exercises

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Which statement is INCORRECT regarding evolution?

Mutations are non-random and directional (correct)

Mutations are random and nondirectional

Adaptive radiations lead to divergent evolution

Darwin’s variations are small and directional

Which characteristic makes Archaeopteryx known as the missing link?

Chordates and nonchordates

Birds and reptiles (correct)

Annelida and arthropoda

Fishes and amphibians

What causes gene frequency in a population to remain constant?

Random mating (correct)

Mutation

Non-random mating

Migration

Which characteristic is NOT shown by the ape?

Tail is present Signup and view all the answers

Who can be considered as a connecting link between ape and man?

Australopithecus Signup and view all the answers

What was the cranial capacity of Neanderthal man?

1400 cc Signup and view all the answers

What is the definition of the gene pool?

The total genetic information encoded in the sum total of genes in a Mendelian population. Signup and view all the answers

What is the definition of speciation?

The process of forming new species from pre-existing species. Signup and view all the answers

What is adaptive radiation?

The diversification of a group of organisms into forms filling different ecological niches. Signup and view all the answers

Who proposed the idea that the first form of life could have come from pre-existing nonliving organic molecules?

Oparin and Haldane Signup and view all the answers

What is the correct sequence of the origin of life?

Inorganic materials - organic materials - colloidal aggregates - Eobiont - cell Signup and view all the answers

In the Hardy-Weinberg equation, which represents the frequency of homozygous recessive individuals?

q2 Signup and view all the answers

Which of the following pairs represents analogous organs?

Flippers of dolphins and penguin Signup and view all the answers

Who proposed that the first form of life could have come from pre-existing nonliving organic molecules?

Oparin and Haldane Signup and view all the answers

What is the correct sequence of the origin of life?

Inorganic materials - organic materials - colloidal aggregates - Eobiont - cell Signup and view all the answers

Origin and Evolution of Life: Page 117-118 Exercises

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Questions and Answers

Which statement is INCORRECT regarding evolution?

Which characteristic makes Archaeopteryx known as the missing link?

What causes gene frequency in a population to remain constant?

Which characteristic is NOT shown by the ape?

Who can be considered as a connecting link between ape and man?

What was the cranial capacity of Neanderthal man?

What is the definition of the gene pool?

What is the definition of speciation?

What is adaptive radiation?

Who proposed the idea that the first form of life could have come from pre-existing nonliving organic molecules?

What is the correct sequence of the origin of life?

In the Hardy-Weinberg equation, which represents the frequency of homozygous recessive individuals?

Which of the following pairs represents analogous organs?

Who proposed that the first form of life could have come from pre-existing nonliving organic molecules?

What is the correct sequence of the origin of life?

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