Ecosystems

Question 1

Net Primary Productivity (NPP)

Answer 1

Energy fixed by photosynthesis minus respiration loss

Question 2

Xerosere

Answer 2

Plant succession under dry conditions

Question 3

Antigenic succession

Answer 3

Driven by the biotic to create an environment

Question 4

Gross Primary Productivity (GPP)
Rainforest 2200
Woodland 1200

Answer 4

Weight/area/time

Measures all photosynthesis that occurs in an ecosystem

Question 5

Diurnal

Answer 5

Daily

Question 6

Latosol

Answer 6

Rainforest soil which had high levels of iron/silica

Question 7

Arthropod

Answer 7

Spider, ant, insect

Question 8

Ferrallitisation

Answer 8

Bedrock is broken down by chemical weathering into clay

Question 9

Biodiversity

Answer 9

Variety of organisms living in a particular area/ all different species, habitats and ecosystems

Question 10

Ruderal

Answer 10

Able to tolerate waste ground, rubbish and debris

Question 11

Arisings

Answer 11

Cut grass

Question 12

Photosynthesis

Answer 12

Green plants process carbon dioxide, light and water to create carbohydrates releasing oxygen as a byproduct. Used for food

Question 13

Autotroph

Answer 13

Plant capable of creating new it’s own food through photosynthesis

Question 14

Nitrogen cycle

Answer 14

Nitrates in soil
Build up by plants roots into protein
Passed into herbivores
Bacteria convert nitrogen returned as ammonia (poo/decay)