The global value of ecosystem services has been estimated at around:
1.$33 million
2.$33 billion
3.$33 trillion
4.$330 trillion
3
You might also like to view...
When X-linked traits are recessive, females will express the traits only if they are ____ for the recessive allele
Fill in the blank with the appropriate word.
Resistance activities increase muscle mass by ____
a. stretching muscles b. increasing the number of mitochondria in cells c. encouraging the synthesis of more actin and myosin filaments d. encouraging the production of more muscle fibers e. converting red fibers to white fibers
Tundra soils are usually ____ and have ____ in the uppermost layer of soil
a. nutrient poor; little organic litter b. nutrient rich; much organic litter c. frozen; nutrients d. moist; dead plant material e. sandy; high pH
Which of the following is an example of a polysaccharide?
A) glycogen B) glucose C) fructose D) deoxyribose E) sucrose