10.3 Ecology

Question 1

Ecological vs. Primary vs. Secondary Succession

Answer 1

Ecological- the process by which the mix of species and habitat in an area changes over time
Primary- there is no soil intact, normally takes place after a volcano
Secondary- soil is intact, normally takes place after a fire

Question 2

Pioneer Species vs. Seral Stages vs. Climax Community

Answer 2

Pioneer- first species to inhabit an area
Seral- in between stage
Climax- the “endpoint” of succession within the context of a particular climate and geography

Question 3

Species Richness vs. Evenness

Answer 3

Richness- number of species in an area
Evenness- abundance/proportion of a species

Question 4

Genetic vs. Ecological Diversity

Answer 4

Genetic- related to the size of a pop
Ecological- range habit types variation within ecosystems

Question 5

Keystone vs. Invasive Species

Question 6

Shannon-Wiener Index

Answer 6

Higher the number, higher the diversity