10.2

Question 1

Ecological succession

Answer 1

the process by which the mix of species and habitat in an area changes over time

Question 2

Primary

Answer 2

• first colonizers
• happens when a new patch of land is created or exposed for the first time
• volcanic eruption with lava flow

Question 3

Secondary

Answer 3

happens when a climax community or intermediate community is impacted by a disturbance
- major flooding of a creek bed

Question 4

Pioneer species

Answer 4

species that are the first to colonize newly created environments

Question 5

Seral Species

Answer 5

growing and dev. plants

Question 6

Climax community

Answer 6

the “endpoint” of succession within the context of a particular climate and geography

Question 7

Species Richness

Answer 7

the number of different species in a given area

Question 8

Species Evenness

Answer 8

a description of the distribution of abundance across the species in a community

Question 9

Genetic Diversity

Answer 9

the biological variation that occurs within species

Question 10

Calculate the Shannon-Wiener Index value for a community

Answer 10

H = - Σ(P1ln[P1])