Study An Ecosystem

Question 1

Environmental factors

Answer 1

Abiotic
Biotic
Climatic
Edaphic

Question 2

Abiotic factor

Answer 2

Altitude
Pollution
Steepness
Aspect
Exposure

Question 3

Biotic factor

Answer 3

Predators
Prey
Competition
Reproduction
Food

Question 4

Climatic factor

Answer 4

Rainfall
Humidity
Wind
Sunlight
Temperature

Question 5

Edaphic

Answer 5

Soil pH
Soil type
Soil temperature

Question 6

Qualitative study

Answer 6

Records the presence of organisms

Question 7

Quantitative study

Answer 7

Records the numbers of organisms that are present

Question 8

Key

Answer 8

A means of namung organisms by answeringa series of questions with alternative answer is

Question 9

Pitfall trap

Answer 9

Placed in the soil / sand and covered to prevent rain entering. Collects crawling insects, snails, periwinkles

Question 10

Pooter

Answer 10

Collects insects, spiders, sand hoppers

Question 11

Beating tray

Answer 11

Collects insects, spiders, caterpillars

Question 12

Sweep net

Answer 12

Collects insects and spiders

Question 13

Plankton net

Answer 13

Collects plankton

Question 14

Tullgreen funnel

Answer 14

Collects centipedes, milipedes, small insects

Question 15

Baerman funnel

Answer 15

Collects water snails, worms

Question 16

Mammal trap

Answer 16

Collects shrews, mice

Question 17

Cryptozoic trap

Answer 17

Slugs, snails, worms

Question 18

Quadratic estimate

Answer 18

No. points covered. x 100

/Total no. grid points

Question 19

Frequency

Answer 19

No. Quadrats containing the plant x 100

/ Total no. Quadrats

Question 20

Capture Recapture Method

Answer 20

C1 x C2

/ M2

Question 21

Estimating no. plants in a habitat

Answer 21

Hectare or acre x Total no. plants in each quadrat
/ side x side of quadrat

Question 22

Name three abiotic factors and how they can be measured

Answer 22

Soil pH - pH meter
Light intensity - photographic light meter
Air temperature - thermometer

Question 23

Inverse pyramid

Answer 23

Mites
Greenfly
Rose bush