ECOLOGY
ECOLOGICAL SUCCESSION
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
an ecosystem with only pioneer species
|
|
|
an ecosystem that is in primary succession
|
|
|
an ecosystem that is in secondary succession
|
|
|
an ecosystem with a climax community
|
Detailed explanation-1: -Therefore an ecosystem having a climax community experiences the least change in species number over time, hence option d is correct.
Detailed explanation-2: -[ klī′măks′ ] An ecological community in which populations of plants or animals remain stable and exist in balance with each other and their environment. A climax community is the final stage of succession, remaining relatively unchanged until destroyed by an event such as fire or human interference.
Detailed explanation-3: -Ecosystems are organized to better understand the frame of reference in which they are being studied. They are organized from smallest to largest; organism, population, community, ecosystem.
Detailed explanation-4: -climax, in ecology, the final stage of biotic succession attainable by a plant community in an area under the environmental conditions present at a particular time.
Detailed explanation-5: -These changes include accumulation of organic matter in litter or humic layer, alteration of soil nutrients, change in pH of soil by plants growing there. The structure of the plants themselves can also alter the community.