b6- again not linked

Question 1

identification keys

Answer 1

branched or spider- answer yes or no for each question to identify organisms identity
numbered or dichotomous- correct answer to a questuon tells you which you need to answe nect, identify unknown

Question 2

sample

Answer 2

small representative part of a habitat used to infer data about the whole

Question 3

random sampling

Answer 3

reduces bias

Question 4

non random sampling

Answer 4

includes transects (straight line samples across gradients)

Question 5

sampling techniques

Answer 5

plants use quadrats-count species in each, find mean scale up

animals:
pooters
sweep nets
pitfall traps
kick sampling
tree beating

Question 6

capture recapture

Answer 6

capture+mark individuals,release them
after recovery, capture again
record marked vs unmarked
estimated population= first capture*second / marked recaptured

Question 7

scaling up quadrants

Answer 7

calculate mean number per quadrat
multiply by total area size/quadrat area to estimate whole habitat count

Question 8

food security

Answer 8

genetic diversity helps crops resist disease

Question 9

ecotourism

Answer 9

encourages local conservation funding +awareness