the pattern of ecosystem in which density and distribution of species vary along a horizontal gradient is. a) zonation
b) stratification
c) ecological niche
d) speciation
Answers
The pattern of ecosystem in which density and distribution of species vary along a horizontal gradient is zonation.
* Plants and animals are classified based on certain parameters such as depth,altitude, etc. and accordingly each of them is designated to a particular zone.
* Along a gradient, a specific pattern of flora or fauna are observed in the ecosystem.
* There can also be overlapping of species at the junction of two zones which is mainly due to competition or predation.
The pattern of ecosystem in which density and distribution of species vary along horizontal gradient is Zonation.
Option A
EXPLANATION:
- In ecology there are various terms that are used to show "distribution and density of population" in any area, one such term is zonation.
- Zonation is a pattern of an ecosystem in which density and distribution of species vary along the horizontal gradient, which is in the height or the depth of a given system.
- The population distribution varies because of the variation in the resources along this gradient.
- For example, in a deep-sea, population of species decreases in increase in depth of sea because the nutrients and resources decrease with depth.
- Similarly, in mountains, population decreases with increase in height of the mountain. This horizontal gradient is called as zonation.
To learn about Zonation:
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