Science and Technology for Environment Preservation and Climate Change Mitigation

Question 1

the term given to the variety of life on Earth and the natural patterns it forms.

Answer 1

Biodiversity or biological diversity

Question 2

the biodiversity we see today is the result of almost 2 billion years of evolution. TRUE OR FALSE

Answer 2

False. 4 billion years

Question 3

how many million species have been identified?

Answer 3

1.75 million species

Question 4

Scientists consider that there are actually about 13 million species. TRUE OR FALSE

Answer 4

True

Question 5

three levels of biodiversity

Answer 5

Genetic diversity
Species diversity
Community and ecosystem diversity

Question 6

refers to the variety of species within a region.

Answer 6

Species diversity

Question 7

refers to the variety of biotic communities, habitats, and ecological processes.

Answer 7

Community and ecosystem diversity

Question 8

refers to the variation of genes within a species. enables a population to adapt to its environment and to respond to natural selection.

Answer 8

Genetic diversity

Question 9

within-community diversity

Answer 9

alpha diversity

Question 10

between-communities diversity

Answer 10

beta diversity

Question 11

diversity of the habitats over the total landscape or geographical area

Answer 11

gamma diversity