Community Structure Crossword Puzzle

QUESTIONS LIST:

• species richness : the number of species in a community.
• diversity : the number of species and relative abundance of each species in a community.
• succession : sequence of changes in a biological community following disturbance or creating of a new habitat.
• climax : the most stable community achieved following succession.
• primary : _ succession is the establishment of a new community where none existed before.
• secondary : _ succession is when an existing community has been cleared by a disturbance that leaves soil intact.
• pioneer : lichens and mosses are examples of _ species in primary succession.
• competition : the use of a resource by one species such that it is less or unavailable for other species.
• facilitation : one species increases the probability of a second species becoming established by changing environmental conditions.
• inhibition : one species decreases the probability of a second species becoming established by changing environmental conditions.
• keystone : a species whose influence on the community is proportionally greater than its numbers would suggest.
• redundancy : functional _ occurs when within a given community, there are multiple species that perform similar roles.