biodiversity

Question 1

what is the direct value of biodiversity?

Answer 1

what we as humans value

Question 2

what are some of the indirect values of biodiversity?

Answer 2

ecosystem services
-water-cycling
-biogeochemical cycles
-nutrient cycling (decomposers)
-regulate climate (carbon cycle)
-prevent soil erosion (roots)
-ecotourism

Question 3

2/3’s of all known species are?

Answer 3

anthropods

Question 4

what are the three levels of biodiversity?

Answer 4

genetic, species, and ecosystem diversity

Question 5

threats to biodiversity

Answer 5

resource exploitation, conversion of land, pollution, and climate change

Question 6

why is all life on earth related?

Answer 6

it is derived from a common ancestor

Question 7

how did diversity of life on earth arise?

Answer 7

through evolution

Question 8

what scientists refer to as unifying explanations of the natural world

Answer 8

theories

Question 9

properties of theories

Answer 9

-prove science
-well supported by evidence
-updated, tested and challenged

Question 10

what does theory mean?

Answer 10

body of knowledge