Evolution is best described as:
A rapid change in an individual's traits during its lifetime.
A gradual change in the characteristics of a population over time.
The development of new species in a single generation.
The unchanging nature of life forms.
Related Questions
Which theory says that life was came out of decaying and rotting matter
Abiogenesis
Panspermia
Biogenesis theory
special creation theory
What is the primary driving force behind evolution according to Darwin?
Mutation
Migration
Natural selection
Genetic drift
I. Oparin’s theory of origin of life is based on …A…
II. Chemical theory of origin of life was given by …B…
Choose the correct option for A and B to complete the statements I and II
A-biological evolution; B-Oparin
A-elemental evolution; B-Haldane
A-organic evolution; B-Oparin and Haldane
A-chemical evolution; B-Oparin and Haldane
Synthetic theory of evolution was developed by
Several biological specialities
Darwin
Mendel
Wallace
What does the study of biogeography contribute to our understanding of evolution?
It explains the precise mechanisms of genetic mutations.
It proves that acquired characteristics are inherited.
It demonstrates the spontaneous generation of life.
It shows how the distribution of organisms reflects evolutionary history and geological events.
Which one of the following phenomenon supports Darwin’s concept of natural selection in organic evolution?
Development of transgenic animals
Production of ‘Dolly’ the sheep by cloning
Prevalence of pesticide resistance insects
None of the above
The result of Miller’s experiments were discussed in the book ‘The Planets’ written by
Sayere
Harold Urey
Huxley
Stanley
The concept of adaptive radiation is best exemplified by:
The evolution of the horse lineage.
Darwin's finches on the Galapagos Islands.
The development of antibiotic resistance in bacteria.
The extinction of the dinosaurs.
Stanley Miller proposed origin of life by
Chemical synthesis
Abiogenesis
Biogenesis
None of these
Natural selection can lead to …A… in which more individuals acquire mean character value, …B…. more in which individuals acquire value other than the mean character value and …C… in which more individuals acquire peripheral character value at both ends of the distribution curve
Choose the correct options for A, B and C to complete the given statement with reference to NCERT text book
A: Stabilising selection, B: Disruptive selection, C: Directional selection
A: Directional selection, B: Stabilising selection, C: Disruptive selection
A: Disruptive selection, B: Directional selection, C: Stabilising selection
A: Stabilising selection, B: Directional selection, C: Disruptive selection
