Communities

Community is
1. grouping of populations of different organisms found living together in a particular environment at a certain time.
2. a set of all animate and inanimate things in a specific place at a specific time.
3. a set of all organisms in a specific place.
Community division is acording to
1. territory and habitats..
2. the season in which it is active and habitats.
3. habitats and time of day it is active.
Diversity is:
1. a diversity of species.
2. a stability of communities.
3. a link between communities.
The dominant species in the community are:
1. more important than the minor ones.
2. less important than the minor ones.
3. equivalent to the minor ones.
Time classification of the species activity:
1. repeats periodically.
2. is the same for all communities.
3. is different only in the dominant species.
Producers are:
1. autotrophic organisms.
2. heterotrophic organisms.
3. saprophytic organisms.
Consumers are:
1. herbivores.
2. bacteria.
3. plants.
The food chain is the movement of matter and energy between:
1. producers, consumers and decomposers.
2. plants and decomposers.
3. producers, herbivores and decomposers.
There are these types of food chains:
1. pasture exploitative and destructive.
2. exploitative and destructive.
3. pastoral, exploitative and destructive.
Ecotone is:
1. border, contact or transition zone.
2. a type of organisms.
3. a part of a food chain.