The evolutionary significance of the Burgess Shale fossils lies primarily in:
Providing evidence for the earliest forms of life on Earth.
Demonstrating a rapid diversification of body plans during the Cambrian explosion.
Showing the transition from aquatic to terrestrial life.
Illustrating the co-evolution of plants and animals.
Related Questions
England in 1850s, i.e., before industrialization set in, it was observed that there were more white-winged moths on trees than dark-winged or melanised moths.
However, in the collection carried out from the same area, but after industrialization, i.e., in 1920, there more dark-winged moths in the same area, i.e., the proportion was reversed
Predict the possible reason for such change
Natural selection
Artificial selection
Conditional selection
Divergent selection
The first life on the earth was developed through
Chemical evolution
Penspermia
Biogenesis
Abiogenesis
From his experiments, S.L. Miller produced amino acids by mixing the following in a close flask
CH4, NH3, H2 and water vapor
CH4, NH3, CO2 and water vapor
CH4, N2, H2 and water vapor
O2, NH3, H2 and water vapor
Evolutionary biology is
The study of history of life forms on earth
Study of pedigrees of life forms on earth
Equivalent to demography
Equivalent to anthropology
Darwin asserted that …A… which are heritable and which makes the resources utilization …B… for few, will enable only those to reproduce and leave …C… progeny. Choose the correct option for A, B and C to complete the given statement
A-variations, B-better, C-more
A-variations, B-better, C-less
A-variations, B-normally, C-less
A-variations, B-normally, C-more
Prodigality of reproduction in Darwinism refers to
Every organism produces numerous offspring
Successful organism produce numerous offsprings
Only a few individuals are able to reproduce
Only a few individuals are able to survive
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
Coacervates do not full the requirement for probable precursors of life. One of the most appropriate reasons for this is
They do not have lipid outer membrane
They do not have cell organelles
They were anaerobics
They unable to exchange energy
Convergent evolution leads to:
Homologous structures in closely related organisms.
Vestigial structures in extant organisms.
Analogous structures in unrelated organisms.
Loss of genetic diversity within a population.
Which type of growth living organism undergoes?
Reversible
Apical
Accretion
Intussusception
