10.3 ecology

Question 1

Speices diversity

Answer 1

of different types fo speices

Question 2

speices evennesss

Answer 2

proportion of species

Question 3

greater diverstiy

Answer 3

greater stability, more food, more resources

Question 4

ecological succession

Answer 4

process by which a mix of spices and habitat in an area changes over time

Question 5

ecosystem diversity

Answer 5

range of habitat types

Question 6

pioneer species

Answer 6

mosses, ferns, first to colnize

Question 7

seral stages

Answer 7

name of communities between pioneer and climax community

Question 8

primary succession

Answer 8

succession occurs in the absence of soil/barren rock

Question 9

climaxcommunity

Answer 9

the established community at the end of primary/secondary succession

Question 10

secondary succession

Answer 10

succession occurs after natural/man-made disturbance leaves soil intact

Question 11

keystone speices

Answer 11

influential ecological role, important regulating effect on other species

Question 12

invasive species

Answer 12

non-native, out-compete native species, uncontrolled growth

Question 13

shannon-wiener formula

Answer 13

H=-E(p1In{P1})

Question 14

n1

Answer 14

of individuals in species 1

Question 15

N

Answer 15

total # of individuals in all species

Question 16

H

Answer 16

uncertainty of predicting species