How many types of finches did observed by C. Darwin
during his voyage at Galapagos Islands?
a) 5
b) 7
c) 11
d) 13
Darwin noticed that the fauna and flora of South America was distinct
from the life forms of ….
a) Asia
b) North America
c) Europe
d) Australia
Which of the following is/are the salient features of Darwin-Wallace theory of natural selection?
a) over production and struggle for existence
b) variation and natural selection or survival of the fittest
c) speciation or origin of new species
d) all of these
In general the struggle for existence may be…
a) intra specific struggle or rivals
b) inter specific struggle
c) extra specific or environmental struggle
d) all of these
Competition between members of same species is/are…………
a) intra specific struggle or rivals
b) inter specific struggle
c) extra specific or environmental struggle
d) all of these
Explanation: Intraspecific competition is an interaction in population ecology, whereby members of the same species compete for limited resources.
Prey or predation; competition between members of different species…….
a) intra specific struggle or rivals
b) inter specific struggle
c) extra specific or environmental struggle
d) all of these
Explanation: Interspecific competition is a form of competition between different species inhabiting the same ecological area.
