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प्रश्न
Struggle between cow and cow to get grass is called ______.
पर्याय
Inter-specific struggle
Environmental struggle
Struggle against natural calamities
Intra-specific struggle
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उत्तर
Struggle between cow and cow to get grass is called Intra-specific struggle.
Explanation:
Intra-specific struggle occurs when the members of the same species fight for the same resources in an ecosystem. Inter-specific struggle occurs when the members of two separate species share the same resources in the same area.
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संबंधित प्रश्न
Will geographical isolation be a major factor in the speciation of a self-pollinating plant species? Why or why not?
Which of the following represent tall plants and which represent short plants (or dwarf plants)?
(a) Tt
(b) tt
(c) TT
Give reason for your choice (The symbols have their usual meaning).
Name two human traits which show variation.
Name the famous book written by Charles Robert Darwin.
Fill in the following blank with suitable word:
Broccoli has evolved from .............. by the process of artificial selection.
What is meant by a species?
Which of the following statement is incorrect with respect to variations?
(a) all variations in a species have equal chance of survival
(b) change in genetic composition results in variations
(c) selection of variations by environmental factors forms the basis of evolutionary process
(d) variations are the minimum in asexual reproduction
Read the following statement and justify same in your own words with the help of suitable example.
Geographical and reproductive isolation of organisms gradually leads to speciation.
State and define three factors responsible for the rise of a new species.
Add a note on allopatric speciation.
