LIFE SCIENCE

OBJECTIVE LIFE SCIENCE

ECOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
An ecotone is defined as:
A
a region of transition between two ecological communities
B
an abrupt spatial change in landscape typology that may inhibit movement across the landscape
C
a gradual, continuous change in species composition or physiochemical characteristics between two ecosystems or communities of organisms across an environmental gradient
D
the smallest ecologically distinct landscape features in a landscape mapping and classification system, representing relatively homogeneous, spatially explicit landscape functional units that are useful for stratifying landscapes into ecologically distinct features for the measurement and mapping of landscape structure, function and change
E
an aggregation of patches that supports a metapopulation of a particular species
Explanation: 

Detailed explanation-1: -An ecotone is a transition area between two biological communities, where two communities meet and integrate. It may be narrow or wide, and it may be local (the zone between a field and forest) or regional (the transition between forest and grassland ecosystems).

Detailed explanation-2: -An ecotone is a zone of junction or a transition area between two biomes (diverse ecosystems). Ecotone is the zone where two communities meet and integrate.

Detailed explanation-3: -Ecotone. The transitional area between two different plant communities such as forest and grassland is called an ecotone.

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