Unit 1: Section B

Question 1

Define ecosystem

Answer 1

Entire living communities of different flora and fauna that share common characteristic

Question 2

define abiotic

Answer 2

elements not living but still affect the ecosystem

Question 3

define biotic

Answer 3

living elements in an ecosystem

Question 4

define relief

Answer 4

the height and shape of the land

Question 5

what are different parts of the food chain?

Answer 5

• producer
• primary consumer
• secondary consumer
• tertiary consumer
• decomposer

Question 6

what is each level of the food chain known as?

Answer 6

trophic level

Question 7

why does the biomass get smaller on each level?

Answer 7

• not all ingested material is absorbed
• glucose used in respiration
• some absorbed material lost as waste

Question 8

what 3 parts make up the nutrient cycle?

Answer 8

• soil
• biomass
• litter

Question 9

how does the soil get nutrients?

Answer 9

input from weathered rock

Question 10

what makes up biomass in the nutrient cycle?

Answer 10

plants and tress (that uptake the nutrients from soil)

Question 11

what makes up litter in the nutrient cycle?

Answer 11

fallout as leaves (from biomass as plants die)

Question 12

define leechings

Answer 12

nutrients get washed away (by rain)

Question 13

where is epping forest located?

Answer 13

east side of london

Question 14

how many species of dragonfly are in the epping forest?

Answer 14

20