3.4 p48-50

What is biodiversity and why is it important?

Biodiversity is a crucial part of the earth's natural capital
1. genetic diversity, ecosystem diversity, functional diversity, species diversity
2. biodiversity supplies us with food, wood, fibers, energy, and medicines.
3. biodiversity preserve the quality of the air and water, maintain the fertility of soil, dispose of wastes, and control populations of pests.
dispose處置,處理
white ukari(uakari) 白禿猴
flesh flower (rafflesia)大王花, 腐屍花, 萊佛士亞花
rotting腐爛,腐壞
slimy覆有黏泥(或黏液)的

Science focus- soil is the base of life on land
4. def soil (eroded rock, mineral nutrient, organic matter, water, air, living organism)提供植物營養,儲存與淨化水質,控制氣候.
5. mature soil conatin at least three horizontal layers (O=leaf litter枯枝落葉層, A=topsoil腐植質表土層, B=subsoil澱積層底土層, C=parent material風化層)
6. one centimeter of topsoil can take hundreds of years to form 但可以在數週或數月就流失或吹走如果我們將地表森林或植物清除使其沒有保護時
7. O , A horizon
decaying腐朽,腐爛
microscopic微小的
ecomposer分解者
fragment碎片,破片;斷片
particle微粒;顆粒
leaf litter枯枝落葉層
teem充滿,富於
draw up
stem莖,(樹)幹,(葉)柄
gravel砂礫,碎石
pores毛孔;氣孔;細孔
anchored使固定,繫住
trickle細細地流
plow犁
mole鼴鼠,錢鼠
millipede節肢動物
wood sorrel酢醬草(幸運草)
honey fungus蜜環菌
fern蕨類植物
moss苔蘚
lichen地衣
mite小蜘蛛,小蝨 ,螨
red earth mite(red velvet mites )紅絨蟎
nematode線蟲類