ENVS 1000 1 Questions And Answers With Complete Solutions
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ENVS 1000 1
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ENVS 1000 1
ENVS 1000 1 Questions And Answers With Complete Solutions
What are the three pillars of the Environmental Studies Program here at CU Boulder? ANS Science, policy, and values
What controls biodiversity? ANS *Speciation
*Evolution
*Extinctions
Biodiversity ANS The variety of life on earth...
ENVS 1000 1 Questions And Answers With Complete
Solutions
What are the three pillars of the Environmental Studies Program here at CU Boulder? ANS Science, policy, and
values
What controls biodiversity? ANS *Speciation
*Evolution
*Extinctions
Biodiversity ANS The variety of life on earth (ecosystem, species, and genetic diversity)
But why go to three of these measures and not just stick to one? ANS *Different scales of biodiversity
*Different classes
*Scale up but differences exist
*Allows for more close a look
*Allows us to measure aspects related to biodiversity
Ecosystem diversity ANS Variation of ecosystem found in a regions or regions across the planet
Species diversity ANS Organisms that look and act similarly
Genetic diversity ANS Organisms with similar DNA
Species biodiversity ANS (Charles Darwin and the natural selection) All species of organisms arise and develop
through natural selection of small inherited variations that increase the individuals ability to compete, survive, and
reproduce
Speciation ANS Forming new species (evolution)
Allopatric speciation ANS Geographic speciation
, Sympatric speciation ANS New species form same ancestral pool
How are the two similar and dissimilar? ANS *Involve environmental change
*Involve separation
*Environmental signature on adaptation (morphology)
Extinctions ANS The elimination of species
Mass extinctions ANS Widespread and rapid reduction in biodiversity
Current biodiversity loss ANS Current extinction rate is more than 100 species per million per year (background
is 0.1-1.0)
A gene is a sequence of compounds found within what kind of molecule?
*Ribonucleic acid
*Deoxyribonucleic acid
*Carbohydrate
*Protein ANS Deoxyribonucleic acid
If two species are members of the same class, they would also have to be members of the same???
*Family
*Order
*Species
*Kingdom ANS Kingdom
Which of the following is true?
*Two organisms can have genomes that are completely different and yet be the same species
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