Scelta multipla
Which of the following best illustrates a transition from the biosphere to the geosphere?
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48. Ecology
Biogeography
Scelta multipla
Which of the following statements about dispersal is correct?
A
Dispersal can establish new populations and expand the range of the species.
B
Dispersal only occurs for organisms that can fly, such as birds.
C
Humans cannot be the cause of dispersal of an animal species.
D
Animals never play a significant role in plant dispersal.
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Understand the concept of dispersal: Dispersal refers to the movement of organisms from one place to another, which can lead to the establishment of new populations and expansion of a species' range.
Evaluate the statement 'Dispersal can establish new populations and expand the range of the species': This statement is correct as dispersal allows organisms to colonize new areas, potentially leading to the growth of populations in those areas.
Consider the statement 'Dispersal only occurs for organisms that can fly, such as birds': This statement is incorrect because dispersal can occur in various ways, including through wind, water, and other animals, not just flying organisms.
Analyze the statement 'Humans cannot be the cause of dispersal of an animal species': This statement is incorrect as humans can facilitate dispersal through activities such as transportation, habitat modification, and introduction of species to new areas.
Review the statement 'Animals never play a significant role in plant dispersal': This statement is incorrect because animals can play a crucial role in plant dispersal by carrying seeds or fruits to new locations, either externally or internally.
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