chapter 3

Question 1

cultural services

Answer 1

benefits related to our enjoyment to the enviorment ecotourism recreational

Question 2

ecosystem products

Answer 2

products from a ecosystem- hunting, fishing, harvesters

Question 3

renewable

Answer 3

resources that can be replenished within a normal human lifespan

Question 4

non renewable

Answer 4

resources that cant be replenished within a normal human lifespan

Question 5

equilibrium

Answer 5

describes the state of an ecosystem with a relativley constant condition over a long period of time

Question 6

succession

Answer 6

the pattern of change in an ecosytem

Question 7

primary succession

Answer 7

succession on newly exposed ground such as volcano eruption

Question 8

secondary succession

Answer 8

succession in a partially disturbed ecosystem such as forest fire

Question 9

benifits of succession

Answer 9

allows ecosystems to recover from disturbances

Question 10

biodiversity

Answer 10

the variety of life found in an ecosystem

Question 11

speices richnesss

Answer 11

the number of speices found in a area

Question 12

extinct

Answer 12

a speices thatis no longer on the earth

Question 13

extirpated

Answer 13

a species that no longer exists in one particular area of its range

Question 14

endangered

Answer 14

s species that will become extinct

Question 15

threatened

Answer 15

a species likely to become extinct if factors are not reversed

Question 16

special concern

Answer 16

a species showing signs of decline in overall health population

Question 17

fragmentation

Answer 17

the dividing up of a reigon into smaller parcels or fragments. fragments reduces the sustanability of ecosystems

Question 18

leading cause of extinction

Answer 18

climate change, habitat loss, fragmentation.

Question 19

invasive species

Answer 19

a non native species that is introduced into a ecosystem with a negative impact

Question 20

pollution

Answer 20

harmfull contaimants released in the enviorment

Question 21

acid preciption

Answer 21

precipitation with an acidic ph value

Question 22

neutralize

Answer 22

balancing the properties of acids and bases

Question 23

oils spills

Answer 23

ways to clean up

Question 24

stewardship

Answer 24

taking responsability for managing and protectiing the enviorment

Question 25

forestry practice

Answer 25

clear cutting removing all trees in one area, shelter wood cutting remove the mature trees selective cutting cutting down a certain type of trees