Amazon Biome

What is the average annual temperature in Manaus?
1. 17 * C
2. 22*C
3. 27*C
4. 31*C
5. 36*C
The annual range of temperature is about - what ?
1. 2*C
2. 5*C
3. 10*C
4. 15*C
5. 20*C
The annual rainfall total is typically about - how much?
1. 500mms
2. 1000mms
3. 1500mms
4. 3000mms
5. 10000mms.
What is the ITCZ?
1. A band of low pressure centred on the Equator.
2. A band of High Pressure centred on the Equator.
3. The Trade Winds.
4. Trade Winds converging on the Equator.
5. Sometimes called the Doldrums.
When is the sun overhead the Equator - which can lead to more convectional rainfall?
1. At the Solstices.
2. At the Equinoxes.
3. Twice a year.
4. In June and December.
5. In late March and late September.
The rain clouds in the Amazon are called - what?
1. Cirrus
2. Stratus
3. Cumulus
4. Cumulonimbus
5. Light fluffy ones - like cotton wool
The rainforest is so productive because ---
1. There is high solar radiation
2. There is an all year round growing season.
3. There is a constant moisture surplus.
4. Leaf litter decays rapidly and is recycled quickly.
5. All of the above
The main feature of the rain forest is - what?
1. The buttress roots
2. The drip tip leaves
3. The layering of the vegetation
4. The broad leaves
5. The diversity of the species
The tallest plants are.........
1. 30 metres high
2. Emergents
3. Usually fruit producers.
4. Easily blown over
5. Figs, teak and mahogany
The ecosystem is very diverse with as many as xxxxxx species of tree per hectare.
1. 20
2. 50
3. 100
4. 200
5. 2000
Orchids are special they ......
1. have drip tips
2. have buttress roots
3. have shallow roots
4. grow like hanging gardens on trees.
5. are parasites
In nutrient cycling - the niggest store of nutrients is - what?
1. The soil
2. The biomass
3. The litter
4. The fauna
5. harvests
In nutrient cycling three losses include .........
1. logging, harvest, leaching
2. leaf fall, logging, precipitation
3. harvests, burning, decay
4. burning, leaching, precipitation
5. biomass, litter, soil
The rate of humus turnover (the rate of decay) is ......
1. 20 % a year
2. 2% a month
3. 20% a day
4. 10% a day
5. 1% a day
Nutrient cations are lost from the soil by ......
1. Rapid chemical weathering
2. Leaching
3. glacial erosion
4. accumulation of Fe and Al
5. mistake
The soils are .........
1. Thick and fertile
2. Thick but poor latosols
3. Dark red near the surface and lighter red deep down
4. Ferralitic soils
5. Full of nutrients
Most of fauna are found - where?
1. In the emergents
2. In the canopy
3. On the trunks
4. On the ground
5. In the undergrowth
There are xxxxxxxx species of birds in the Amazon.
1. 200
2. 2000
3. 10000
4. 20000
5. 200,000
The Amazon rainforest is called - what?
1. The jungle
2. Selva or selvas
3. Equatorial Rain Forest
4. Tropical Rain Forest
5. Caatinga
Bedrock is intensely weathered because ..........
1. It is exposed to wind and rain.
2. It is subject to freeze thaw weathering.
3. It was not disturbed in glacial times.
4. Chemical weathering is rapid in hot wet conditions.
5. There are no slopes - the regolith just piles up.

Amazon Biome

Quiz